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annotate doodle/gtk/canvas.d @ 69:d540f7e4af9e

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Checkpoint
author "David Bryant <bagnose@gmail.com>"
date Sat, 14 Aug 2010 19:39:58 +0930
parents 64bd864db30d
children 0e61702c6ea6
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rev   line source
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1 module doodle.gtk.canvas;
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2
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3 public {
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4 import doodle.dia.icanvas;
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5 import doodle.tk.events;
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6 }
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7
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8 private {
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9 import doodle.core.misc;
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10 import doodle.core.logging;
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11 import doodle.cairo.routines;
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12 import doodle.gtk.conversions;
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13
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14 import cairo.Surface;
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15
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16 import gtk.Widget;
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17 import gtk.Toolbar;
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18 import gtk.Table;
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19 import gtk.HRuler;
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20 import gtk.VRuler;
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21 import gtk.Range;
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22 import gtk.HScrollbar;
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23 import gtk.VScrollbar;
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24 import gtk.DrawingArea;
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25 import gtk.Adjustment;
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26
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27 import gdk.Drawable;
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29 import gtkc.gtk;
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30 import gtkc.gtktypes;
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31 //import gtkc.gdktypes;
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32
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33 import std.math;
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34 import std.stdio;
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35
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36 import core.stdc.string : strlen;
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37 }
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38
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39 // x and y run right and up respectively
41
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40 //
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41 // Model units are millimetres.
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42 //
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43 // _zoom -> pixels-per-model-unit
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44 // _viewSize -> size of view window in pixels
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45 // _viewCentre -> location in model corresponding to centre of view
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46 // _canvasBounds -> size of the virtual canvas in model coordinates
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47 //
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48 // User operations:
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49 // pan (middle click and drag)
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50 // zoom about a point (hold control and move scroll wheel)
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51 // resize the widget
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52
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53 final class Canvas : Table, private IViewport {
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54 this(in Layer[] layers, IEventHandler eventHandler, IGrid grid, in double pixelsPerMillimetre) {
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55 super(3, 3, 0);
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56
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57 _damage = Rectangle.DEFAULT;
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58
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59 _layers = layers.dup;
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60 _eventHandler = eventHandler;
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61 _grid = grid;
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62 _pixelsPerMillimetre = pixelsPerMillimetre;
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64 // Create our child widgets and register callbacks
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65
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66 _hRuler = new HRuler;
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67 attach(_hRuler,
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68 1, 2,
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69 0, 1,
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70 AttachOptions.FILL | AttachOptions.EXPAND, AttachOptions.SHRINK,
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71 0, 0);
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72 _hRuler.setMetric(MetricType.PIXELS);
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73
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74 _vRuler = new VRuler;
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75 attach(_vRuler,
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76 0, 1,
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77 1, 2,
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78 AttachOptions.SHRINK, AttachOptions.FILL | AttachOptions.EXPAND,
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79 0, 0);
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80 _vRuler.setMetric(MetricType.PIXELS);
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81
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82 _drawingArea = new DrawingArea;
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83 _drawingArea.addOnRealize(&onRealize);
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84 _drawingArea.addOnConfigure(&onConfigure);
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85 _drawingArea.addOnExpose(&onExpose);
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86 _drawingArea.addOnButtonPress(&onButtonPress); // FIXME merge delegate with next
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87 _drawingArea.addOnButtonRelease(&onButtonRelease);
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88 _drawingArea.addOnKeyPress(&onKeyPressEvent); // FIXME merge delegate with next
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89 _drawingArea.addOnKeyRelease(&onKeyReleaseEvent);
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90 _drawingArea.addOnMotionNotify(&onMotionNotify);
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91 _drawingArea.addOnScroll(&onScroll);
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92 _drawingArea.addOnEnterNotify(&onEnterNotify); // FIXME merge delegate with next
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93 _drawingArea.addOnLeaveNotify(&onLeaveNotify);
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94
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95 _drawingArea.addOnFocusIn(&onFocusIn);
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96 _drawingArea.addOnFocusOut(&onFocusOut);
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97 _drawingArea.addOnMoveFocus(&onMoveFocus);
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98 _drawingArea.addOnGrabBroken(&onGrabBroken);
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99 _drawingArea.addOnGrabFocus(&onGrabFocus);
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100 _drawingArea.addOnGrabNotify(&onGrabNotify);
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101 // addOnPopupMenu
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102 // addOnQueryTooltip
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103 // addOnSelection*
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104 _drawingArea.setEvents(EventMask.EXPOSURE_MASK |
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105 EventMask.POINTER_MOTION_MASK |
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106 EventMask.POINTER_MOTION_HINT_MASK |
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107 EventMask.BUTTON_MOTION_MASK |
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108 EventMask.BUTTON_PRESS_MASK |
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109 EventMask.BUTTON_RELEASE_MASK |
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110 EventMask.KEY_PRESS_MASK |
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111 EventMask.KEY_RELEASE_MASK |
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112 EventMask.ENTER_NOTIFY_MASK |
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113 EventMask.LEAVE_NOTIFY_MASK |
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114 EventMask.FOCUS_CHANGE_MASK |
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115 EventMask.SCROLL_MASK);
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116
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117 _drawingArea.setCanFocus(true);
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118
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119 attach(_drawingArea,
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120 1, 2,
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121 1, 2,
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122 AttachOptions.FILL | AttachOptions.EXPAND, AttachOptions.FILL | AttachOptions.EXPAND,
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123 0, 0);
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124
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125 // value, lower, upper, step-inc, page-inc, page-size
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126 // Give the adjustments dummy values until we receive a configure
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127 _hAdjustment = new Adjustment(0.0, 0.0, 1.0, 0.2, 0.5, 0.5);
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128 _hAdjustment.addOnValueChanged(&onAdjustmentValueChanged);
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129 _hScrollbar = new HScrollbar(_hAdjustment);
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130 _hScrollbar.setInverted(false);
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131 attach(_hScrollbar,
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132 1, 2,
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133 2, 3,
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134 AttachOptions.FILL | AttachOptions.EXPAND,
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135 AttachOptions.SHRINK,
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136 0, 0);
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137
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138 _vAdjustment = new Adjustment(0.0, 0.0, 1.0, 0.2, 0.5, 0.5);
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139 _vAdjustment.addOnValueChanged(&onAdjustmentValueChanged);
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140 _vScrollbar = new VScrollbar(_vAdjustment);
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141 _vScrollbar.setInverted(true);
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142 attach(_vScrollbar,
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143 2, 3,
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144 1, 2,
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145 AttachOptions.SHRINK,
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146 AttachOptions.FILL | AttachOptions.EXPAND,
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147 0, 0);
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148 }
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149
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150 protected { // XXX the compiler complains about unimplemented methods if this is private
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151
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152 // IViewport overrides:
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153
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154 void zoomRelative(in Point pixelDatum, in double factor) {
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155 // Work out pixel distance from current centre to datum,
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156 // Do the zoom, then work out the new centre that keeps the
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157 // pixel distance the same
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158
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159 Point oldModelDatum = pixelToModel(pixelDatum);
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160 Vector pixelDistance = modelToPixel(oldModelDatum - _viewCentre);
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161 _zoom = clampZoom(factor * _zoom);
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162 _viewCentre = oldModelDatum - pixelToModel(pixelDistance);
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163
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164 consolidateBounds;
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165
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166 updateAdjustments;
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167 updateRulers;
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168 _grid.zoomChanged(_zoom);
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169 queueDraw;
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170 }
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171
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172 void panRelative(in Vector pixelDisplacement) {
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173 _viewCentre = _viewCentre + pixelToModel(pixelDisplacement);
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174
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175 consolidateBounds;
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176
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177 updateAdjustments;
daveb
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178 updateRulers;
daveb
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diff changeset
179 queueDraw;
daveb
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diff changeset
180 }
daveb
parents: 67
diff changeset
181
daveb
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diff changeset
182 void setCursor(in Cursor cursor) {
daveb
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diff changeset
183 CursorType cursorType;
27
f3d91579bb28 Checkpoint
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parents: 26
diff changeset
184
68
daveb
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diff changeset
185 switch (cursor) {
daveb
parents: 67
diff changeset
186 case Cursor.DEFAULT:
daveb
parents: 67
diff changeset
187 cursorType = CursorType.ARROW;
daveb
parents: 67
diff changeset
188 break;
daveb
parents: 67
diff changeset
189 case Cursor.HAND:
daveb
parents: 67
diff changeset
190 cursorType = CursorType.HAND1;
daveb
parents: 67
diff changeset
191 break;
daveb
parents: 67
diff changeset
192 case Cursor.CROSSHAIR:
daveb
parents: 67
diff changeset
193 cursorType = CursorType.CROSSHAIR;
daveb
parents: 67
diff changeset
194 break;
daveb
parents: 67
diff changeset
195 case Cursor.PENCIL:
daveb
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diff changeset
196 cursorType = CursorType.PENCIL;
daveb
parents: 67
diff changeset
197 break;
daveb
parents: 67
diff changeset
198 default:
daveb
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diff changeset
199 assert(0);
daveb
parents: 67
diff changeset
200 }
17
c643c04e3f5e Checkpoint
David Bryant <daveb@acres.com.au>
parents: 16
diff changeset
201
68
daveb
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diff changeset
202 _drawingArea.setCursor(new gdk.Cursor.Cursor(cursorType));
daveb
parents: 67
diff changeset
203 }
daveb
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diff changeset
204
daveb
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diff changeset
205 void damageModel(in Rectangle area) {
daveb
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diff changeset
206 _damage = _damage | modelToPixel(area);
daveb
parents: 67
diff changeset
207 }
daveb
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diff changeset
208
daveb
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diff changeset
209 void damagePixel(in Rectangle area) {
daveb
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diff changeset
210 _damage = _damage | area;
daveb
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diff changeset
211 }
18
df8d81d9f499 Lasso fiddling
David Bryant <daveb@acres.com.au>
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diff changeset
212 }
df8d81d9f499 Lasso fiddling
David Bryant <daveb@acres.com.au>
parents: 17
diff changeset
213
0
e907d2c54ec3 Initial import
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214 private {
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215
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
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diff changeset
216 void initialiseBounds() {
48
1b4c9ba58673 Stylistic overhaul.
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217 Rectangle layerBounds = Rectangle.DEFAULT;
41
daveb
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diff changeset
218
67
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diff changeset
219 foreach (layer; _layers) {
48
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220 layerBounds = layerBounds | layer.bounds;
41
daveb
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diff changeset
221 }
daveb
parents: 40
diff changeset
222
48
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223 assert(layerBounds.valid);
41
daveb
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diff changeset
224
63
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daveb
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diff changeset
225 // FIXME use a function that grows a rectangle about its centre
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daveb
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diff changeset
226 // and change 2.0 to a class-level constant
48
1b4c9ba58673 Stylistic overhaul.
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diff changeset
227 Rectangle paddedLayerBounds = expand(move(layerBounds, - layerBounds.size), 2.0 * layerBounds.size);
41
daveb
parents: 40
diff changeset
228
62
6c3993f4c3eb Checkpoint
daveb
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diff changeset
229 //
6c3993f4c3eb Checkpoint
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diff changeset
230
69
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diff changeset
231 _zoom = 0.25 * _pixelsPerMillimetre; // ie 0.25 pixels represents a millimetre
62
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daveb
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diff changeset
232
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daveb
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233 _canvasBounds = paddedLayerBounds;
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daveb
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diff changeset
234 _viewCentre = _canvasBounds.centre;
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daveb
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diff changeset
235
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daveb
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diff changeset
236 _grid.zoomChanged(_zoom);
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daveb
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diff changeset
237
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daveb
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238 updateAdjustments;
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daveb
parents: 58
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239 updateRulers;
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daveb
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diff changeset
240 }
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
241
6c3993f4c3eb Checkpoint
daveb
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diff changeset
242 void consolidateBounds() {
6c3993f4c3eb Checkpoint
daveb
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diff changeset
243 Rectangle layerBounds = Rectangle.DEFAULT;
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
244
67
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daveb
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diff changeset
245 foreach (layer; _layers) {
62
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
246 layerBounds = layerBounds | layer.bounds;
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
247 }
16
9e63308b749c * Fix up public/private includes
David Bryant <daveb@acres.com.au>
parents: 15
diff changeset
248
62
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
249 assert(layerBounds.valid);
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
250
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
251 Rectangle paddedLayerBounds = expand(move(layerBounds, - layerBounds.size), 2.0 * layerBounds.size);
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
252
6c3993f4c3eb Checkpoint
daveb
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diff changeset
253 Vector z = _viewSize / _zoom;
6c3993f4c3eb Checkpoint
daveb
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diff changeset
254 Rectangle r = Rectangle(_viewCentre - z / 2.0, z);
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
255 _canvasBounds = r | paddedLayerBounds;
16
9e63308b749c * Fix up public/private includes
David Bryant <daveb@acres.com.au>
parents: 15
diff changeset
256
62
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
257 updateAdjustments;
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
258 updateRulers;
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
259 }
35
3f6bb0bb22dc Beginnings of grid
David Bryant <bagnose@gmail.com>
parents: 34
diff changeset
260
62
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
261 bool onConfigure(GdkEventConfigure * event, Widget widget) {
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
262 assert(widget is _drawingArea);
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
263
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
264 _viewSize = Vector(cast(double)event.width, cast(double)event.height);
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
265
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
266 if (!_boundsValid) {
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
267 initialiseBounds;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
268 _boundsValid = true;
16
9e63308b749c * Fix up public/private includes
David Bryant <daveb@acres.com.au>
parents: 15
diff changeset
269 }
41
daveb
parents: 40
diff changeset
270 else {
62
6c3993f4c3eb Checkpoint
daveb
parents: 58
diff changeset
271 consolidateBounds;
41
daveb
parents: 40
diff changeset
272 }
16
9e63308b749c * Fix up public/private includes
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parents: 15
diff changeset
273
2
d6f44347373d * Switched over to geometry done with structs instead of classes.
David Bryant <daveb@acres.com.au>
parents: 0
diff changeset
274 return true;
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
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275 }
e907d2c54ec3 Initial import
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parents:
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276
48
1b4c9ba58673 Stylistic overhaul.
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parents: 41
diff changeset
277 bool onExpose(GdkEventExpose * event, Widget widget) {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
278 assert(widget is _drawingArea);
0
e907d2c54ec3 Initial import
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parents:
diff changeset
279
48
1b4c9ba58673 Stylistic overhaul.
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diff changeset
280 Drawable dr = _drawingArea.getWindow;
0
e907d2c54ec3 Initial import
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parents:
diff changeset
281
e907d2c54ec3 Initial import
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parents:
diff changeset
282 int width, height;
e907d2c54ec3 Initial import
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parents:
diff changeset
283 dr.getSize(width, height);
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
284 //trace("Got expose %dx%d\n", width, height);
0
e907d2c54ec3 Initial import
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parents:
diff changeset
285
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
286 scope modelCr = new Context(dr);
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
287 scope pixelCr = new Context(dr);
12
a093c4fbdd43 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 11
diff changeset
288
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
289 Rectangle pixelDamage =
11
fb571a3b1f0d Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 10
diff changeset
290 event is null ?
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
291 Rectangle(Point(0.0, 0.0), _viewSize) :
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
292 Rectangle(Point(cast(double)event.area.x, _viewSize.y - cast(double)(event.area.y + event.area.height)),
11
fb571a3b1f0d Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 10
diff changeset
293 Vector(cast(double)event.area.width, cast(double)event.area.height));
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
294
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
295 Rectangle modelDamage = pixelToModel(pixelDamage);
19
22abbf4cde96 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 18
diff changeset
296
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
297 //trace("Pixel damage: %s, model damage: %s", pixelDamage, modelDamage);
19
22abbf4cde96 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 18
diff changeset
298
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
299 modelCr.save; pixelCr.save; {
67
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
300 {
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
301 // Setup model context and clip
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
302 modelCr.translate(0.0, _viewSize.y);
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
303 modelCr.scale(_zoom, -_zoom);
12
a093c4fbdd43 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 11
diff changeset
304
67
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
305 immutable Vector modelSize = pixelToModel(_viewSize);
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
306 immutable Point viewLeftBottom = _viewCentre - modelSize / 2.0;
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
307 modelCr.translate(-viewLeftBottom.x, -viewLeftBottom.y);
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
308
67
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
309 rectangle(modelCr, modelDamage);
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
310 modelCr.clip;
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
311 }
12
a093c4fbdd43 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 11
diff changeset
312
67
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
313 {
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
314 // Setup pixel context and clip
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
315 pixelCr.translate(0.0, _viewSize.y);
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
316 pixelCr.scale(1.0, -1.0);
19
22abbf4cde96 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 18
diff changeset
317
67
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
318 rectangle(pixelCr, pixelDamage);
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
319 pixelCr.clip;
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
320 }
12
a093c4fbdd43 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 11
diff changeset
321
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
322 pixelCr.save; {
67
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
323 // Fill the background with light grey
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
324 pixelCr.setSourceRgba(0.9, 0.9, 0.9, 1.0);
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
325 rectangle(pixelCr, pixelDamage);
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
326 pixelCr.fill;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
327 } pixelCr.restore;
12
a093c4fbdd43 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 11
diff changeset
328
a093c4fbdd43 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 11
diff changeset
329 // Draw each layer
67
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
330 foreach(layer; _layers) {
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
331 layer.draw(this, pixelDamage, pixelCr, modelDamage, modelCr);
11
fb571a3b1f0d Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 10
diff changeset
332 }
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
333 } pixelCr.restore; modelCr.restore;
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
334
2
d6f44347373d * Switched over to geometry done with structs instead of classes.
David Bryant <daveb@acres.com.au>
parents: 0
diff changeset
335 return true;
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
336 }
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
337
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
338 bool onButtonPress(GdkEventButton * event, Widget widget) {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
339 assert(widget is _drawingArea);
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
340 //trace("Got button event\n");
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
341
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
342 Point pixelPoint = Point(event.x + 0.5, _viewSize.y - (event.y + 0.5));
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
343 Point modelPoint = pixelToModel(pixelPoint);
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
344
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
345 auto buttonEvent = new ButtonEvent(gtk2tkButtonAction(event.type),
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
346 gtk2tkButtonName(event.button),
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
347 pixelPoint,
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
348 modelPoint,
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
349 gtk2tkMask(event.state));
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
350
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
351 _eventHandler.handleButtonPress(this, buttonEvent);
5
8a39b13cd3e6 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 3
diff changeset
352
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
353 fixDamage;
17
c643c04e3f5e Checkpoint
David Bryant <daveb@acres.com.au>
parents: 16
diff changeset
354
5
8a39b13cd3e6 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 3
diff changeset
355 return true;
8a39b13cd3e6 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 3
diff changeset
356 }
8a39b13cd3e6 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 3
diff changeset
357
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
358 bool onButtonRelease(GdkEventButton * event, Widget widget) {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
359 assert(widget is _drawingArea);
5
8a39b13cd3e6 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 3
diff changeset
360
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
361 Point pixelPoint = Point(event.x + 0.5, _viewSize.y - (event.y + 0.5));
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
362 Point modelPoint = pixelToModel(pixelPoint);
5
8a39b13cd3e6 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 3
diff changeset
363
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
364 auto buttonEvent = new ButtonEvent(gtk2tkButtonAction(event.type),
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
365 gtk2tkButtonName(event.button),
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
366 pixelPoint,
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
367 modelPoint,
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
368 gtk2tkMask(event.state));
5
8a39b13cd3e6 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 3
diff changeset
369
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
370 _eventHandler.handleButtonRelease(this, buttonEvent);
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
371
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
372 fixDamage;
17
c643c04e3f5e Checkpoint
David Bryant <daveb@acres.com.au>
parents: 16
diff changeset
373
2
d6f44347373d * Switched over to geometry done with structs instead of classes.
David Bryant <daveb@acres.com.au>
parents: 0
diff changeset
374 return true;
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
375 }
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
376
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
377 /*
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
378 public struct GdkEventKey {
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
379 GdkEventType type;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
380 GdkWindow *window;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
381 byte sendEvent;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
382 uint time;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
383 uint state;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
384 uint keyval;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
385 int length;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
386 char *string;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
387 ushort hardwareKeycode;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
388 ubyte group;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
389 uint bitfield0;
67
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
390 uint isModifier : 1;
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
391 }
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
392 */
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
393 bool onKeyPressEvent(GdkEventKey * event, Widget widget) {
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
394 assert(widget is _drawingArea);
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
395
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
396 auto keyEvent = new KeyEvent(event.string[0..strlen(event.string)].idup,
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
397 event.keyval,
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
398 gtk2tkMask(event.state));
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
399 message("Got key press %s", keyEvent);
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
400 _eventHandler.handleKeyPress(this, keyEvent);
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
401
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
402 fixDamage;
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
403
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
404 return true;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
405 }
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
406
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
407 bool onKeyReleaseEvent(GdkEventKey * event, Widget widget) {
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
408 assert(widget is _drawingArea);
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
409
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
410 auto keyEvent = new KeyEvent(event.string[0..strlen(event.string)].idup,
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
411 event.keyval,
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
412 gtk2tkMask(event.state));
64
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
413 //message("Got key release %s", keyEvent);
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
414 _eventHandler.handleKeyRelease(this, keyEvent);
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
415
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
416 fixDamage;
17
c643c04e3f5e Checkpoint
David Bryant <daveb@acres.com.au>
parents: 16
diff changeset
417
2
d6f44347373d * Switched over to geometry done with structs instead of classes.
David Bryant <daveb@acres.com.au>
parents: 0
diff changeset
418 return true;
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
419 }
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
420
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
421 bool onMotionNotify(GdkEventMotion * event, Widget widget) {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
422 assert(widget is _drawingArea);
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
423 //writefln("Got motion notify\n");
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
424 gtk_widget_event(_hRuler.getWidgetStruct(), cast(GdkEvent *)event);
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
425 gtk_widget_event(_vRuler.getWidgetStruct(), cast(GdkEvent *)event);
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
426
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
427 Point pixelPoint = Point(event.x + 0.5, _viewSize.y - (event.y + 0.5));
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
428 Point modelPoint = pixelToModel(pixelPoint);
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
429
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
430 auto motionEvent = new MotionEvent(pixelPoint,
64
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
431 modelPoint,
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
432 gtk2tkMask(event.state));
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
433
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
434 _eventHandler.handleMotion(this, motionEvent);
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
435
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
436 fixDamage;
17
c643c04e3f5e Checkpoint
David Bryant <daveb@acres.com.au>
parents: 16
diff changeset
437
2
d6f44347373d * Switched over to geometry done with structs instead of classes.
David Bryant <daveb@acres.com.au>
parents: 0
diff changeset
438 return true;
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
439 }
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
440
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
441 bool onScroll(GdkEventScroll * event, Widget widget) {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
442 assert(widget is _drawingArea);
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
443 //writefln("Got scroll\n");
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
444
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
445 Point pixelPoint = Point(event.x + 0.5, _viewSize.y - (event.y + 0.5));
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
446 Point modelPoint = pixelToModel(pixelPoint);
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
447
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
448 auto scrollEvent = new ScrollEvent(gtk2tkDirection(event.direction),
64
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
449 pixelPoint,
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
450 modelPoint,
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
451 gtk2tkMask(event.state));
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
452
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
453 _eventHandler.handleScroll(this, scrollEvent);
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
454
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
455 fixDamage;
17
c643c04e3f5e Checkpoint
David Bryant <daveb@acres.com.au>
parents: 16
diff changeset
456
2
d6f44347373d * Switched over to geometry done with structs instead of classes.
David Bryant <daveb@acres.com.au>
parents: 0
diff changeset
457 return true;
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
458 }
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
459
20
d6e7a5a6f008 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 19
diff changeset
460 /*
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
461 public enum GdkCrossingMode {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
462 NORMAL,
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
463 GRAB,
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
464 UNGRAB,
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
465 GTK_GRAB,
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
466 GTK_UNGRAB,
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
467 STATE_CHANGED
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
468 }
20
d6e7a5a6f008 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 19
diff changeset
469
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
470 public struct GdkEventCrossing {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
471 GdkEventType type;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
472 GdkWindow *window;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
473 byte sendEvent;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
474 GdkWindow *subwindow;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
475 uint time;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
476 double x;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
477 double y;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
478 double xRoot;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
479 double yRoot;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
480 GdkCrossingMode mode;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
481 GdkNotifyType detail;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
482 int focus;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
483 uint state;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
484 }
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
485 */
20
d6e7a5a6f008 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 19
diff changeset
486
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
487 bool onEnterNotify(GdkEventCrossing * event, Widget widget) {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
488 assert(widget is _drawingArea);
64
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
489
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
490 Point pixelPoint = Point(event.x + 0.5, _viewSize.y - (event.y + 0.5));
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
491 Point modelPoint = pixelToModel(pixelPoint);
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
492
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
493 auto crossingEvent = new CrossingEvent(gtk2tkCrossingMode(event.mode),
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
494 pixelPoint,
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
495 modelPoint,
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
496 gtk2tkMask(event.state));
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
497
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
498 _eventHandler.handleEnter(this, crossingEvent);
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
499
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
500 fixDamage;
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
501
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
502 //message("Enter %d %d %d", cast(int)event.mode, event.focus, event.state);
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
503
20
d6e7a5a6f008 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 19
diff changeset
504 return true;
d6e7a5a6f008 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 19
diff changeset
505 }
d6e7a5a6f008 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 19
diff changeset
506
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
507 bool onLeaveNotify(GdkEventCrossing * event, Widget widget) {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
508 assert(widget is _drawingArea);
64
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
509
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
510 Point pixelPoint = Point(event.x + 0.5, _viewSize.y - (event.y + 0.5));
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
511 Point modelPoint = pixelToModel(pixelPoint);
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
512
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
513 auto crossingEvent = new CrossingEvent(gtk2tkCrossingMode(event.mode),
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
514 pixelPoint,
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
515 modelPoint,
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
516 gtk2tkMask(event.state));
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
517
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
518 _eventHandler.handleLeave(this, crossingEvent);
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
519
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
520 fixDamage;
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
521
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
522 //message("Leave %d %d %d", cast(int)event.mode, event.focus, event.state);
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
523
20
d6e7a5a6f008 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 19
diff changeset
524 return true;
d6e7a5a6f008 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 19
diff changeset
525 }
d6e7a5a6f008 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 19
diff changeset
526
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
527 /*
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
528 public struct GdkEventFocus {
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
529 GdkEventType type;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
530 GdkWindow *window;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
531 byte sendEvent;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
532 short inn;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
533 }
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
534 */
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
535 bool onFocusIn(GdkEventFocus * event, Widget widget) {
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
536 trace("onFocusIn");
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
537 return true;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
538 }
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
539
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
540 bool onFocusOut(GdkEventFocus * event, Widget widget) {
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
541 trace("onFocusOut");
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
542 return true;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
543 }
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
544
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
545 void onMoveFocus(GtkDirectionType direction, Widget widget) {
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
546 trace("onMoveFocus");
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
547 }
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
548
64
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
549 bool onGrabBroken(gdk.Event.Event event, Widget widget) {
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
550 trace("onGrabBroken");
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
551 return true;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
552 }
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
553
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
554 void onGrabFocus(Widget widget) {
64
eb5436b47d13 Implemented crossing events
"David Bryant <bagnose@gmail.com>"
parents: 63
diff changeset
555 //trace("onGrabFocus");
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
556 }
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
557
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
558 void onGrabNotify(gboolean what, Widget widget){
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
559 trace("onGrabNotify");
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
560 }
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
561
67
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
562 void onAdjustmentValueChanged(Adjustment adjustment) {
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
563 GtkAdjustment * hGtkAdjustment = _hAdjustment.getAdjustmentStruct;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
564 GtkAdjustment * vGtkAdjustment = _vAdjustment.getAdjustmentStruct;
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
565
67
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
566 Point viewLeftBottom = Point(gtk_adjustment_get_value(hGtkAdjustment),
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
567 gtk_adjustment_get_value(vGtkAdjustment));
16
9e63308b749c * Fix up public/private includes
David Bryant <daveb@acres.com.au>
parents: 15
diff changeset
568
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
569 Vector modelSize = pixelToModel(_viewSize);
16
9e63308b749c * Fix up public/private includes
David Bryant <daveb@acres.com.au>
parents: 15
diff changeset
570
67
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
571 _viewCentre = viewLeftBottom + modelSize / 2.0;
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
572
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
573 updateRulers;
13
f0ade1b49fe7 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 12
diff changeset
574 queueDraw;
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
575 }
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
576
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
577 void updateRulers() {
58
c63719604adb Beginnings of creating a rectangle...
"David Bryant <bagnose@gmail.com>"
parents: 57
diff changeset
578 immutable Vector modelSize = pixelToModel(_viewSize);
c63719604adb Beginnings of creating a rectangle...
"David Bryant <bagnose@gmail.com>"
parents: 57
diff changeset
579 immutable Point viewLeftBottom = _viewCentre - modelSize / 2.0;
c63719604adb Beginnings of creating a rectangle...
"David Bryant <bagnose@gmail.com>"
parents: 57
diff changeset
580 immutable Point viewRightTop = _viewCentre + modelSize / 2.0;
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
581
16
9e63308b749c * Fix up public/private includes
David Bryant <daveb@acres.com.au>
parents: 15
diff changeset
582 // Define these just to obtain the position
9e63308b749c * Fix up public/private includes
David Bryant <daveb@acres.com.au>
parents: 15
diff changeset
583 // below and we can preserve it
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
584 double lower, upper, position, maxSize;
12
a093c4fbdd43 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 11
diff changeset
585
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
586 _hRuler.getRange(lower, upper, position, maxSize);
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
587 _hRuler.setRange(viewLeftBottom.x,
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
588 viewRightTop.x,
12
a093c4fbdd43 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 11
diff changeset
589 position,
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
590 _zoom * 50.0);
12
a093c4fbdd43 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 11
diff changeset
591
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
592 _vRuler.getRange(lower, upper, position, maxSize);
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
593 _vRuler.setRange(viewRightTop.y,
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
594 viewLeftBottom.y,
14
0b7e7d43a79d Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 13
diff changeset
595 position,
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
596 _zoom * 50.0);
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
597 }
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
598
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
599 void updateAdjustments() {
58
c63719604adb Beginnings of creating a rectangle...
"David Bryant <bagnose@gmail.com>"
parents: 57
diff changeset
600 immutable Vector modelSize = pixelToModel(_viewSize);
c63719604adb Beginnings of creating a rectangle...
"David Bryant <bagnose@gmail.com>"
parents: 57
diff changeset
601 immutable Point viewLeftBottom = _viewCentre - modelSize / 2.0;
c63719604adb Beginnings of creating a rectangle...
"David Bryant <bagnose@gmail.com>"
parents: 57
diff changeset
602 immutable Point viewRightTop = _viewCentre + modelSize / 2.0;
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
603
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
604 // Adjust the canvas size if necessary
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
605 _canvasBounds = Rectangle(minExtents(_canvasBounds.minCorner, viewLeftBottom),
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
606 maxExtents(_canvasBounds.maxCorner, viewRightTop));
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
607
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
608 // Update the adjustments
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
609
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
610 GtkAdjustment * hGtkAdjustment = _hAdjustment.getAdjustmentStruct;
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
611 GtkAdjustment * vGtkAdjustment = _vAdjustment.getAdjustmentStruct;
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
612
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
613 gtk_adjustment_set_lower(hGtkAdjustment, _canvasBounds.minCorner.x);
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
614 gtk_adjustment_set_upper(hGtkAdjustment, _canvasBounds.maxCorner.x);
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
615 gtk_adjustment_set_value(hGtkAdjustment, viewLeftBottom.x);
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
616 gtk_adjustment_set_step_increment(hGtkAdjustment, _canvasBounds.size.x / 16.0);
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
617 gtk_adjustment_set_page_increment(hGtkAdjustment, _canvasBounds.size.x / 4.0);
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
618 gtk_adjustment_set_page_size(hGtkAdjustment, modelSize.x);
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
619
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
620 gtk_adjustment_set_lower(vGtkAdjustment, _canvasBounds.minCorner.y);
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
621 gtk_adjustment_set_upper(vGtkAdjustment, _canvasBounds.maxCorner.y);
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
622 gtk_adjustment_set_value(vGtkAdjustment, viewLeftBottom.y);
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
623 gtk_adjustment_set_step_increment(vGtkAdjustment, _canvasBounds.size.y / 16.0);
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
624 gtk_adjustment_set_page_increment(vGtkAdjustment, _canvasBounds.size.y / 4.0);
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
625 gtk_adjustment_set_page_size(vGtkAdjustment, modelSize.y);
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
626
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
627 _hAdjustment.changed;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
628 _hAdjustment.valueChanged;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
629 _vAdjustment.changed;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
630 _vAdjustment.valueChanged;
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
631 }
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
632
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
633 void fixDamage() {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
634 if (_damage.valid) {
17
c643c04e3f5e Checkpoint
David Bryant <daveb@acres.com.au>
parents: 16
diff changeset
635 int x, y, w, h;
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
636 _damage.getQuantised(x, y, w, h);
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
637 _drawingArea.queueDrawArea(x, cast(int)_viewSize.y - (y + h), w, h);
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
638 _damage = Rectangle.DEFAULT;
17
c643c04e3f5e Checkpoint
David Bryant <daveb@acres.com.au>
parents: 16
diff changeset
639 }
c643c04e3f5e Checkpoint
David Bryant <daveb@acres.com.au>
parents: 16
diff changeset
640 }
c643c04e3f5e Checkpoint
David Bryant <daveb@acres.com.au>
parents: 16
diff changeset
641
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
642 static double clampZoom(in double zoom) { return clamp(zoom, 0.2, 10.0); }
16
9e63308b749c * Fix up public/private includes
David Bryant <daveb@acres.com.au>
parents: 15
diff changeset
643
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
644 Point modelToPixel(in Point model) const {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
645 return Point.DEFAULT + _viewSize / 2.0 + _zoom * (model - _viewCentre);
27
f3d91579bb28 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 26
diff changeset
646 }
f3d91579bb28 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 26
diff changeset
647
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
648 Point pixelToModel(in Point pixel) const {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
649 return _viewCentre + (pixel - _viewSize / 2.0 - Point.DEFAULT) / _zoom;
27
f3d91579bb28 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 26
diff changeset
650 }
f3d91579bb28 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 26
diff changeset
651
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
652 Vector modelToPixel(in Vector model) const {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
653 return _zoom * model;
27
f3d91579bb28 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 26
diff changeset
654 }
f3d91579bb28 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 26
diff changeset
655
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
656 Vector pixelToModel(in Vector pixel) const {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
657 return pixel / _zoom;
27
f3d91579bb28 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 26
diff changeset
658 }
f3d91579bb28 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 26
diff changeset
659
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
660 Rectangle modelToPixel(in Rectangle model) const {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
661 return Rectangle(modelToPixel(model.position), modelToPixel(model.size));
27
f3d91579bb28 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 26
diff changeset
662 }
f3d91579bb28 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 26
diff changeset
663
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
664 Rectangle pixelToModel(in Rectangle model) const {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
665 return Rectangle(pixelToModel(model.position), pixelToModel(model.size));
27
f3d91579bb28 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 26
diff changeset
666 }
f3d91579bb28 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 26
diff changeset
667
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
668 void onRealize(Widget widget) {
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
669 assert(widget is _drawingArea);
27
f3d91579bb28 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 26
diff changeset
670 //writefln("Got realize\n");
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
671 _drawingArea.grabFocus();
27
f3d91579bb28 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 26
diff changeset
672 }
f3d91579bb28 Checkpoint
David Bryant <daveb@acres.com.au>
parents: 26
diff changeset
673
63
20d6327c4a75 Event progress. Got key press/release working and panning via keyboard.
daveb
parents: 62
diff changeset
674 bool _boundsValid;
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
675 Rectangle _damage; // pixels
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
676
67
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
677 // Model units are millimetres
31d10176415d Checkpoint
daveb
parents: 64
diff changeset
678 // Screen units are pixels
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
679 double _zoom; // pixels-per-model-unit
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
680 Vector _viewSize; // pixel: size of view window in pixels
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
681 Point _viewCentre; // model: where in the model is the centre of our view
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
682 Rectangle _canvasBounds; // model:
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
683
10
71ca82e0eb76 Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 9
diff changeset
684 // Child widgets:
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
685 HRuler _hRuler;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
686 VRuler _vRuler;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
687 DrawingArea _drawingArea;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
688 Adjustment _hAdjustment;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
689 HScrollbar _hScrollbar;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
690 Adjustment _vAdjustment;
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
691 VScrollbar _vScrollbar;
11
fb571a3b1f0d Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 10
diff changeset
692
48
1b4c9ba58673 Stylistic overhaul.
daveb
parents: 41
diff changeset
693 Layer[] _layers;
57
9960c4fbd0dd I is for Interface
"David Bryant <bagnose@gmail.com>"
parents: 54
diff changeset
694 IEventHandler _eventHandler;
9960c4fbd0dd I is for Interface
"David Bryant <bagnose@gmail.com>"
parents: 54
diff changeset
695 IGrid _grid;
69
d540f7e4af9e Checkpoint
"David Bryant <bagnose@gmail.com>"
parents: 68
diff changeset
696 double _pixelsPerMillimetre;
0
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
697 }
e907d2c54ec3 Initial import
David Bryant <daveb@acres.com.au>
parents:
diff changeset
698 }