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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/gtk/artstd.cpp | |
3 | // Purpose: stock wxArtProvider instance with native GTK+ stock icons | |
4 | // Author: Vaclav Slavik | |
5 | // Modified by: | |
6 | // Created: 2004-08-22 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Vaclav Slavik, 2004 | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // --------------------------------------------------------------------------- | |
13 | // headers | |
14 | // --------------------------------------------------------------------------- | |
15 | ||
16 | // For compilers that support precompilation, includes "wx.h". | |
17 | #include "wx/wxprec.h" | |
18 | ||
19 | #if defined(__BORLANDC__) | |
20 | #pragma hdrstop | |
21 | #endif | |
22 | ||
23 | #if defined(__WXGTK20__) && !defined(__WXUNIVERSAL__) | |
24 | ||
25 | #include "wx/artprov.h" | |
26 | ||
27 | #ifndef WX_PRECOMP | |
28 | #include "wx/module.h" | |
29 | #endif | |
30 | ||
31 | #include "wx/gtk/private.h" | |
32 | ||
33 | #include <gtk/gtk.h> | |
34 | ||
35 | // compatibility with older GTK+ versions: | |
36 | #ifndef GTK_STOCK_FILE | |
37 | #define GTK_STOCK_FILE "gtk-file" | |
38 | #endif | |
39 | #ifndef GTK_STOCK_DIRECTORY | |
40 | #define GTK_STOCK_DIRECTORY "gtk-directory" | |
41 | #endif | |
42 | ||
43 | ||
44 | // ---------------------------------------------------------------------------- | |
45 | // wxGTK2ArtProvider | |
46 | // ---------------------------------------------------------------------------- | |
47 | ||
48 | class wxGTK2ArtProvider : public wxArtProvider | |
49 | { | |
50 | protected: | |
51 | virtual wxBitmap CreateBitmap(const wxArtID& id, const wxArtClient& client, | |
52 | const wxSize& size); | |
53 | }; | |
54 | ||
55 | /*static*/ void wxArtProvider::InitNativeProvider() | |
56 | { | |
57 | wxArtProvider::Push(new wxGTK2ArtProvider); | |
58 | } | |
59 | ||
60 | // ---------------------------------------------------------------------------- | |
61 | // CreateBitmap routine | |
62 | // ---------------------------------------------------------------------------- | |
63 | ||
64 | static const char *wxArtIDToStock(const wxArtID& id) | |
65 | { | |
66 | #define ART(wxid, gtkid) \ | |
67 | if (id == wxid) return gtkid; | |
68 | ||
69 | ART(wxART_ERROR, GTK_STOCK_DIALOG_ERROR) | |
70 | ART(wxART_INFORMATION, GTK_STOCK_DIALOG_INFO) | |
71 | ART(wxART_WARNING, GTK_STOCK_DIALOG_WARNING) | |
72 | ART(wxART_QUESTION, GTK_STOCK_DIALOG_QUESTION) | |
73 | ||
74 | //ART(wxART_HELP_SIDE_PANEL, ) | |
75 | ART(wxART_HELP_SETTINGS, GTK_STOCK_SELECT_FONT) | |
76 | //ART(wxART_HELP_BOOK, ) | |
77 | ART(wxART_HELP_FOLDER, GTK_STOCK_DIRECTORY) | |
78 | ART(wxART_HELP_PAGE, GTK_STOCK_FILE) | |
79 | ART(wxART_MISSING_IMAGE, GTK_STOCK_MISSING_IMAGE) | |
80 | ART(wxART_ADD_BOOKMARK, GTK_STOCK_ADD) | |
81 | ART(wxART_DEL_BOOKMARK, GTK_STOCK_REMOVE) | |
82 | ART(wxART_GO_BACK, GTK_STOCK_GO_BACK) | |
83 | ART(wxART_GO_FORWARD, GTK_STOCK_GO_FORWARD) | |
84 | ART(wxART_GO_UP, GTK_STOCK_GO_UP) | |
85 | ART(wxART_GO_DOWN, GTK_STOCK_GO_DOWN) | |
86 | ART(wxART_GO_TO_PARENT, GTK_STOCK_GO_UP) | |
87 | ART(wxART_GO_HOME, GTK_STOCK_HOME) | |
88 | ART(wxART_FILE_OPEN, GTK_STOCK_OPEN) | |
89 | ART(wxART_PRINT, GTK_STOCK_PRINT) | |
90 | ART(wxART_HELP, GTK_STOCK_HELP) | |
91 | ART(wxART_TIP, GTK_STOCK_DIALOG_INFO) | |
92 | //ART(wxART_REPORT_VIEW, ) | |
93 | //ART(wxART_LIST_VIEW, ) | |
94 | //ART(wxART_NEW_DIR, ) | |
95 | #ifdef __WXGTK24__ | |
96 | ART(wxART_FOLDER, GTK_STOCK_DIRECTORY) | |
97 | ART(wxART_FOLDER_OPEN, GTK_STOCK_DIRECTORY) | |
98 | #endif | |
99 | //ART(wxART_GO_DIR_UP, ) | |
100 | ART(wxART_EXECUTABLE_FILE, GTK_STOCK_EXECUTE) | |
101 | ART(wxART_NORMAL_FILE, GTK_STOCK_FILE) | |
102 | ART(wxART_TICK_MARK, GTK_STOCK_APPLY) | |
103 | ART(wxART_CROSS_MARK, GTK_STOCK_CANCEL) | |
104 | ||
105 | #ifdef __WXGTK24__ | |
106 | ART(wxART_FLOPPY, GTK_STOCK_FLOPPY) | |
107 | ART(wxART_CDROM, GTK_STOCK_CDROM) | |
108 | ART(wxART_HARDDISK, GTK_STOCK_HARDDISK) | |
109 | ART(wxART_REMOVABLE, GTK_STOCK_HARDDISK) | |
110 | ||
111 | ART(wxART_FILE_SAVE, GTK_STOCK_SAVE) | |
112 | ART(wxART_FILE_SAVE_AS, GTK_STOCK_SAVE_AS) | |
113 | ||
114 | ART(wxART_COPY, GTK_STOCK_COPY) | |
115 | ART(wxART_CUT, GTK_STOCK_CUT) | |
116 | ART(wxART_PASTE, GTK_STOCK_PASTE) | |
117 | ART(wxART_DELETE, GTK_STOCK_DELETE) | |
118 | ART(wxART_NEW, GTK_STOCK_NEW) | |
119 | ||
120 | ART(wxART_UNDO, GTK_STOCK_UNDO) | |
121 | ART(wxART_REDO, GTK_STOCK_REDO) | |
122 | ||
123 | ART(wxART_QUIT, GTK_STOCK_QUIT) | |
124 | ||
125 | ART(wxART_FIND, GTK_STOCK_FIND) | |
126 | ART(wxART_FIND_AND_REPLACE, GTK_STOCK_FIND_AND_REPLACE) | |
127 | #endif | |
128 | ||
129 | return NULL; | |
130 | ||
131 | #undef ART | |
132 | } | |
133 | ||
134 | GtkIconSize wxArtClientToIconSize(const wxArtClient& client) | |
135 | { | |
136 | if (client == wxART_TOOLBAR) | |
137 | return GTK_ICON_SIZE_LARGE_TOOLBAR; | |
138 | else if (client == wxART_MENU) | |
139 | return GTK_ICON_SIZE_MENU; | |
140 | else if (client == wxART_CMN_DIALOG || client == wxART_MESSAGE_BOX) | |
141 | return GTK_ICON_SIZE_DIALOG; | |
142 | else if (client == wxART_BUTTON) | |
143 | return GTK_ICON_SIZE_BUTTON; | |
144 | else | |
145 | return GTK_ICON_SIZE_INVALID; // this is arbitrary | |
146 | } | |
147 | ||
148 | static GtkIconSize FindClosestIconSize(const wxSize& size) | |
149 | { | |
150 | #define NUM_SIZES 6 | |
151 | static struct | |
152 | { | |
153 | GtkIconSize icon; | |
154 | gint x, y; | |
155 | } s_sizes[NUM_SIZES]; | |
156 | static bool s_sizesInitialized = false; | |
157 | ||
158 | if (!s_sizesInitialized) | |
159 | { | |
160 | s_sizes[0].icon = GTK_ICON_SIZE_MENU; | |
161 | s_sizes[1].icon = GTK_ICON_SIZE_SMALL_TOOLBAR; | |
162 | s_sizes[2].icon = GTK_ICON_SIZE_LARGE_TOOLBAR; | |
163 | s_sizes[3].icon = GTK_ICON_SIZE_BUTTON; | |
164 | s_sizes[4].icon = GTK_ICON_SIZE_DND; | |
165 | s_sizes[5].icon = GTK_ICON_SIZE_DIALOG; | |
166 | for (size_t i = 0; i < NUM_SIZES; i++) | |
167 | { | |
168 | gtk_icon_size_lookup(s_sizes[i].icon, | |
169 | &s_sizes[i].x, &s_sizes[i].y); | |
170 | } | |
171 | s_sizesInitialized = true; | |
172 | } | |
173 | ||
174 | GtkIconSize best = GTK_ICON_SIZE_DIALOG; // presumably largest | |
175 | unsigned distance = INT_MAX; | |
176 | for (size_t i = 0; i < NUM_SIZES; i++) | |
177 | { | |
178 | // only use larger bitmaps, scaling down looks better than scaling up: | |
179 | if (size.x > s_sizes[i].x || size.y > s_sizes[i].y) | |
180 | continue; | |
181 | ||
182 | unsigned dist = (size.x - s_sizes[i].x) * (size.x - s_sizes[i].x) + | |
183 | (size.y - s_sizes[i].y) * (size.y - s_sizes[i].y); | |
184 | if (dist == 0) | |
185 | return s_sizes[i].icon; | |
186 | else if (dist < distance) | |
187 | { | |
188 | distance = dist; | |
189 | best = s_sizes[i].icon; | |
190 | } | |
191 | } | |
192 | return best; | |
193 | } | |
194 | ||
195 | ||
196 | static GtkStyle *gs_gtkStyle = NULL; | |
197 | ||
198 | static GdkPixbuf *CreateStockIcon(const char *stockid, GtkIconSize size) | |
199 | { | |
200 | // FIXME: This code is not 100% correct, because stock pixmap are | |
201 | // context-dependent and may be affected by theme engine, the | |
202 | // correct value can only be obtained for given GtkWidget object. | |
203 | // | |
204 | // Fool-proof implementation of stock bitmaps would extend wxBitmap | |
205 | // with "stock-id" representation (in addition to pixmap and pixbuf | |
206 | // ones) and would convert it to pixbuf when rendered. | |
207 | ||
208 | if (gs_gtkStyle == NULL) | |
209 | { | |
210 | GtkWidget *widget = gtk_button_new(); | |
211 | gs_gtkStyle = gtk_rc_get_style(widget); | |
212 | wxASSERT( gs_gtkStyle != NULL ); | |
213 | g_object_ref(gs_gtkStyle); | |
214 | gtk_widget_destroy(widget); | |
215 | } | |
216 | ||
217 | GtkIconSet *iconset = gtk_style_lookup_icon_set(gs_gtkStyle, stockid); | |
218 | ||
219 | if (!iconset) | |
220 | return NULL; | |
221 | ||
222 | return gtk_icon_set_render_icon(iconset, gs_gtkStyle, | |
223 | gtk_widget_get_default_direction(), | |
224 | GTK_STATE_NORMAL, size, NULL, NULL); | |
225 | } | |
226 | ||
227 | #ifdef __WXGTK24__ | |
228 | static GdkPixbuf *CreateThemeIcon(const char *iconname, | |
229 | GtkIconSize iconsize, const wxSize& sz) | |
230 | { | |
231 | wxSize size(sz); | |
232 | if (size == wxDefaultSize) | |
233 | { | |
234 | gtk_icon_size_lookup(iconsize, &size.x, &size.y); | |
235 | } | |
236 | ||
237 | return gtk_icon_theme_load_icon( | |
238 | gtk_icon_theme_get_default(), | |
239 | iconname, | |
240 | size.x, | |
241 | (GtkIconLookupFlags)0, NULL); | |
242 | } | |
243 | #endif | |
244 | ||
245 | wxBitmap wxGTK2ArtProvider::CreateBitmap(const wxArtID& id, | |
246 | const wxArtClient& client, | |
247 | const wxSize& size) | |
248 | { | |
249 | wxCharBuffer stockid = wxArtIDToStock(id); | |
250 | GtkIconSize stocksize = (size == wxDefaultSize) ? | |
251 | wxArtClientToIconSize(client) : | |
252 | FindClosestIconSize(size); | |
253 | ||
254 | // we must have some size, this is arbitrary | |
255 | if (stocksize == GTK_ICON_SIZE_INVALID) | |
256 | stocksize = GTK_ICON_SIZE_BUTTON; | |
257 | ||
258 | // allow passing GTK+ stock IDs to wxArtProvider: | |
259 | if (!stockid) | |
260 | stockid = id.ToAscii(); | |
261 | ||
262 | GdkPixbuf *pixbuf = CreateStockIcon(stockid, stocksize); | |
263 | ||
264 | #ifdef __WXGTK24__ | |
265 | if (!gtk_check_version(2,4,0)) | |
266 | { | |
267 | if (!pixbuf) | |
268 | pixbuf = CreateThemeIcon(stockid, stocksize, size); | |
269 | } | |
270 | #endif | |
271 | ||
272 | if (pixbuf && size != wxDefaultSize && | |
273 | (size.x != gdk_pixbuf_get_width(pixbuf) || | |
274 | size.y != gdk_pixbuf_get_height(pixbuf))) | |
275 | { | |
276 | GdkPixbuf *p2 = gdk_pixbuf_scale_simple(pixbuf, size.x, size.y, | |
277 | GDK_INTERP_BILINEAR); | |
278 | if (p2) | |
279 | { | |
280 | g_object_unref (pixbuf); | |
281 | pixbuf = p2; | |
282 | } | |
283 | } | |
284 | ||
285 | if (!pixbuf) | |
286 | return wxNullBitmap; | |
287 | ||
288 | wxBitmap bmp; | |
289 | bmp.SetWidth(gdk_pixbuf_get_width(pixbuf)); | |
290 | bmp.SetHeight(gdk_pixbuf_get_height(pixbuf)); | |
291 | bmp.SetPixbuf(pixbuf); | |
292 | ||
293 | return bmp; | |
294 | } | |
295 | ||
296 | // ---------------------------------------------------------------------------- | |
297 | // Cleanup | |
298 | // ---------------------------------------------------------------------------- | |
299 | ||
300 | class wxArtGtkModule: public wxModule | |
301 | { | |
302 | public: | |
303 | bool OnInit() { return true; } | |
304 | void OnExit() | |
305 | { | |
306 | if (gs_gtkStyle) | |
307 | { | |
308 | g_object_unref(gs_gtkStyle); | |
309 | gs_gtkStyle = NULL; | |
310 | } | |
311 | } | |
312 | ||
313 | DECLARE_DYNAMIC_CLASS(wxArtGtkModule) | |
314 | }; | |
315 | ||
316 | IMPLEMENT_DYNAMIC_CLASS(wxArtGtkModule, wxModule) | |
317 | ||
318 | #endif // defined(__WXGTK20__) && !defined(__WXUNIVERSAL__) |