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comparison dynamin/gui/windows_cursor.d @ 0:aa4efef0f0b1

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Initial commit of code.
author Jordan Miner <jminer7@gmail.com>
date Mon, 15 Jun 2009 22:10:48 -0500
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children d55b5b998412
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1 // Written in the D programming language
2 // www.digitalmars.com/d/
3
4 /*
5 * The contents of this file are subject to the Mozilla Public License Version
6 * 1.1 (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 * http://www.mozilla.org/MPL/
9 *
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the
13 * License.
14 *
15 * The Original Code is the Dynamin library.
16 *
17 * The Initial Developer of the Original Code is Jordan Miner.
18 * Portions created by the Initial Developer are Copyright (C) 2007-2009
19 * the Initial Developer. All Rights Reserved.
20 *
21 * Contributor(s):
22 * Jordan Miner <jminer7@gmail.com>
23 *
24 */
25
26 module dynamin.gui.windows_cursor;
27
28 public import dynamin.c.windows;
29 public import tango.io.Stdout;
30 public import dynamin.gui.control;
31
32 // TODO: use import("AeroMouseDrag.png"), import("MouseDrag.png"), etc.
33 // to embed png into executable. Then, use lodepng to decode it and use
34 // CreateIconIndirect to create a cusor from them if possible.
35
36 template CursorBackend() {
37 HCURSOR _handle;
38 bool isBuiltin = false;
39 this(HCURSOR h) {
40 _handle = h;
41 isBuiltin = true;
42 }
43 static:
44 void backend_SetCurrent(Control c, Cursor cur) {
45 assert(cur.isBuiltin); // TODO: allow custom cursors
46 SetCursor(cur._handle);
47 }
48 Cursor none = null;
49 Cursor arrow = null;
50 Cursor waitArrow = null;
51 Cursor wait = null;
52 Cursor text = null;
53 Cursor hand = null;
54 Cursor move = null;
55 Cursor resizeHoriz = null;
56 Cursor resizeVert = null;
57 Cursor resizeBackslash = null;
58 Cursor resizeSlash = null;
59 Cursor drag = null; // from resource
60 Cursor invalidDrag = null;
61 Cursor reversedArrow = null; // from resource
62 Cursor crosshair = null;
63
64 Cursor backend_maybeLoad(Cursor* cache, int curRes) {
65 if(*cache is null) {
66 HCURSOR hcur = LoadImage(null, MAKEINTRESOURCE(curRes),
67 IMAGE_CURSOR, 0, 0, LR_SHARED | LR_DEFAULTSIZE);
68 if(hcur is null)
69 Stdout.format("LoadImage() failed loading cursor {}", curRes).newline;
70 else
71 *cache = new Cursor(hcur);
72 }
73 return *cache;
74 }
75 Cursor backend_maybeLoad(Cursor* cache, wchar[] name) {
76 if(*cache is null) {
77 HCURSOR hcur = LoadImage(GetModuleHandle(null), name.ptr,
78 IMAGE_CURSOR, 0, 0, LR_DEFAULTSIZE);
79 if(hcur is null)
80 Stdout.format("LoadImage() failed loading cursor {}", name).newline;
81 else
82 *cache = new Cursor(hcur);
83 }
84 return *cache;
85 }
86 Cursor backend_None() {
87 if(none is null)
88 none = new Cursor(cast(HCURSOR)null);
89 return none;
90 }
91 Cursor backend_Arrow() {
92 return backend_maybeLoad(&arrow, OCR_NORMAL);
93 }
94 Cursor backend_WaitArrow() {
95 return backend_maybeLoad(&waitArrow, OCR_APPSTARTING);
96 }
97 Cursor backend_Wait() {
98 return backend_maybeLoad(&wait, OCR_WAIT);
99 }
100 Cursor backend_Text() {
101 return backend_maybeLoad(&text, OCR_IBEAM);
102 }
103 Cursor backend_Hand() {
104 return backend_maybeLoad(&hand, OCR_HAND); // Windows 98 & newer
105 }
106 Cursor backend_Move() {
107 return backend_maybeLoad(&move, OCR_SIZEALL);
108 }
109 Cursor backend_ResizeHoriz() {
110 return backend_maybeLoad(&resizeHoriz, OCR_SIZEWE);
111 }
112 Cursor backend_ResizeVert() {
113 return backend_maybeLoad(&resizeVert, OCR_SIZENS);
114 }
115 Cursor backend_ResizeBackslash() {
116 return backend_maybeLoad(&resizeBackslash, OCR_SIZENWSE);
117 }
118 Cursor backend_ResizeSlash() {
119 return backend_maybeLoad(&resizeSlash, OCR_SIZENESW);
120 }
121 Cursor backend_Drag() {
122 if(checkWindowsVersion(WindowsVersion.WindowsVista))
123 return backend_maybeLoad(&drag, "AeroDragCur");
124 else
125 return backend_maybeLoad(&drag, "DragCur");
126 }
127 Cursor backend_InvalidDrag() {
128 return backend_maybeLoad(&invalidDrag, OCR_NO);
129 }
130 Cursor backend_ReversedArrow() {
131 if(checkWindowsVersion(WindowsVersion.WindowsVista))
132 return backend_maybeLoad(&drag, "AeroReversedArrowCur");
133 else
134 return backend_maybeLoad(&drag, "ReversedArrowCur");
135 }
136 Cursor backend_Crosshair() {
137 return backend_maybeLoad(&crosshair, OCR_CROSS);
138 }
139 }
140