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comparison mde/gui/widget/Widget.d @ 113:9824bee909fd

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Popup menu; works for simple menus except that clicking an item doesn't close it. Revised popup support a bit; EnumContentWidget is broken and due to be replaced.
author Diggory Hardy <diggory.hardy@gmail.com>
date Fri, 19 Dec 2008 10:32:28 +0000
parents fe061009029d
children b16a534f5302
comparison
equal deleted inserted replaced
112:fe061009029d 113:9824bee909fd
82 } 82 }
83 wdim height() { 83 wdim height() {
84 return h; 84 return h;
85 } 85 }
86 86
87 wdabs xPos () {
88 return x;
89 }
90 wdabs yPos () {
91 return y;
92 }
93
87 deprecated void getCurrentSize (out wdim cw, out wdim ch) { 94 deprecated void getCurrentSize (out wdim cw, out wdim ch) {
88 cw = w; 95 cw = w;
89 ch = h; 96 ch = h;
90 } 97 }
91 98
120 } 127 }
121 128
122 /* Dummy functions: suitable for widgets with no text input. */ 129 /* Dummy functions: suitable for widgets with no text input. */
123 void keyEvent (ushort, char[]) {} 130 void keyEvent (ushort, char[]) {}
124 void keyFocusLost () {} 131 void keyFocusLost () {}
132
133 // Currently only applies to popup widgets.
134 void highlight (bool state) {}
135
136 // Only useful to widgets creating popups.
137 void popupRemoved () {}
125 //END Events 138 //END Events
126 139
127 /* Basic draw method: draw the background (all widgets should do this). */ 140 /* Basic draw method: draw the background (all widgets should do this). */
128 void draw () { 141 void draw () {
129 mgr.renderer.drawWidgetBack (x,y, w,h); 142 mgr.renderer.drawWidgetBack (x,y, w,h);
174 wdim mw = 0, mh = 0; // minimal or fixed size, depending on whether the widget is 187 wdim mw = 0, mh = 0; // minimal or fixed size, depending on whether the widget is
175 // resizible; both types of widgets should actually be expandable. 188 // resizible; both types of widgets should actually be expandable.
176 } 189 }
177 190
178 /************************************************************************************************* 191 /*************************************************************************************************
179 * An abstract base widget class for parent widgets (many parent widgets don't use these methods). 192 * Abstract base widget classes to facilitate parent widgets.
180 * 193 *
181 * Parent widgets probably need to overload these functions (from AWidget): 194 * Parent widgets probably need to overload these functions (from AWidget):
182 * setup, saveChanges, setPosition, getWidget, draw, setWidth and setHeight. 195 * setup, saveChanges, setPosition, getWidget, draw, setWidth and setHeight.
183 *************************************************************************************************/ 196 *************************************************************************************************/
184 abstract class AParentWidget : AWidget 197 abstract class AParentWidget : AWidget
187 super (mgr, id, data); 200 super (mgr, id, data);
188 } 201 }
189 202
190 bool setup (uint n, uint flags) { 203 bool setup (uint n, uint flags) {
191 bool c = false; 204 bool c = false;
192 foreach (w; subWidgets) 205 foreach (w; subWidgets) {
206 debug assert (w);
193 c |= w.setup (n,flags); 207 c |= w.setup (n,flags);
208 }
194 return c; 209 return c;
195 } 210 }
196 211
197 bool saveChanges () { 212 bool saveChanges () {
198 bool c = false; 213 bool c = false;
201 return c; 216 return c;
202 } 217 }
203 218
204 protected: 219 protected:
205 IChildWidget[] subWidgets; 220 IChildWidget[] subWidgets;
221 }
222 /** ditto */
223 abstract class AParentSingleWidget : AWidget
224 {
225 this (IWidgetManager mgr, widgetID id, WidgetData data) {
226 super (mgr, id, data);
227 }
228
229 bool setup (uint n, uint flags) {
230 debug assert (subWidget);
231 return subWidget.setup (n,flags);
232 }
233
234 bool saveChanges () {
235 return subWidget.saveChanges;
236 }
237
238 protected:
239 IChildWidget subWidget;
206 } 240 }
207 241
208 /** A base for fixed-size widgets taking their size from the creation data. */ 242 /** A base for fixed-size widgets taking their size from the creation data. */
209 class FixedWidget : AWidget { 243 class FixedWidget : AWidget {
210 // Check data.length is at least 3 before calling! 244 // Check data.length is at least 3 before calling!
284 void activated (); 318 void activated ();
285 319
286 protected: 320 protected:
287 bool pushed = false; /// True if button is pushed in (visually) 321 bool pushed = false; /// True if button is pushed in (visually)
288 } 322 }
289
290