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: artgtk.cpp 49926 2007-11-13 20:04:09Z PC $ 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(__WXUNIVERSAL__) 24 25#include "wx/artprov.h" 26 27#ifndef WX_PRECOMP 28 #include "wx/module.h" 29#endif 30 31#include <gtk/gtkversion.h> 32#if GTK_CHECK_VERSION(2, 9, 0) 33 // gtk_object_sink 34 #undef GTK_DISABLE_DEPRECATED 35#endif 36#include "wx/gtk/private.h" 37 38// compatibility with older GTK+ versions: 39#ifndef GTK_STOCK_FILE 40 #define GTK_STOCK_FILE "gtk-file" 41#endif 42#ifndef GTK_STOCK_DIRECTORY 43 #define GTK_STOCK_DIRECTORY "gtk-directory" 44#endif 45 46 47// ---------------------------------------------------------------------------- 48// wxGTK2ArtProvider 49// ---------------------------------------------------------------------------- 50 51class wxGTK2ArtProvider : public wxArtProvider 52{ 53protected: 54 virtual wxBitmap CreateBitmap(const wxArtID& id, const wxArtClient& client, 55 const wxSize& size); 56}; 57 58/*static*/ void wxArtProvider::InitNativeProvider() 59{ 60 Push(new wxGTK2ArtProvider); 61} 62 63// ---------------------------------------------------------------------------- 64// CreateBitmap routine 65// ---------------------------------------------------------------------------- 66 67static const char *wxArtIDToStock(const wxArtID& id) 68{ 69 #define ART(wxid, gtkid) \ 70 if (id == wxid) return gtkid; 71 72 ART(wxART_ERROR, GTK_STOCK_DIALOG_ERROR) 73 ART(wxART_INFORMATION, GTK_STOCK_DIALOG_INFO) 74 ART(wxART_WARNING, GTK_STOCK_DIALOG_WARNING) 75 ART(wxART_QUESTION, GTK_STOCK_DIALOG_QUESTION) 76 77 //ART(wxART_HELP_SIDE_PANEL, ) 78 ART(wxART_HELP_SETTINGS, GTK_STOCK_SELECT_FONT) 79 //ART(wxART_HELP_BOOK, ) 80 ART(wxART_HELP_FOLDER, GTK_STOCK_DIRECTORY) 81 ART(wxART_HELP_PAGE, GTK_STOCK_FILE) 82 ART(wxART_MISSING_IMAGE, GTK_STOCK_MISSING_IMAGE) 83 ART(wxART_ADD_BOOKMARK, GTK_STOCK_ADD) 84 ART(wxART_DEL_BOOKMARK, GTK_STOCK_REMOVE) 85 ART(wxART_GO_BACK, GTK_STOCK_GO_BACK) 86 ART(wxART_GO_FORWARD, GTK_STOCK_GO_FORWARD) 87 ART(wxART_GO_UP, GTK_STOCK_GO_UP) 88 ART(wxART_GO_DOWN, GTK_STOCK_GO_DOWN) 89 ART(wxART_GO_TO_PARENT, GTK_STOCK_GO_UP) 90 ART(wxART_GO_HOME, GTK_STOCK_HOME) 91 ART(wxART_FILE_OPEN, GTK_STOCK_OPEN) 92 ART(wxART_PRINT, GTK_STOCK_PRINT) 93 ART(wxART_HELP, GTK_STOCK_HELP) 94 ART(wxART_TIP, GTK_STOCK_DIALOG_INFO) 95 //ART(wxART_REPORT_VIEW, ) 96 //ART(wxART_LIST_VIEW, ) 97 //ART(wxART_NEW_DIR, ) 98#ifdef __WXGTK24__ 99 ART(wxART_FOLDER, GTK_STOCK_DIRECTORY) 100 ART(wxART_FOLDER_OPEN, GTK_STOCK_DIRECTORY) 101#endif 102 //ART(wxART_GO_DIR_UP, ) 103 ART(wxART_EXECUTABLE_FILE, GTK_STOCK_EXECUTE) 104 ART(wxART_NORMAL_FILE, GTK_STOCK_FILE) 105 ART(wxART_TICK_MARK, GTK_STOCK_APPLY) 106 ART(wxART_CROSS_MARK, GTK_STOCK_CANCEL) 107 108#ifdef __WXGTK24__ 109 ART(wxART_FLOPPY, GTK_STOCK_FLOPPY) 110 ART(wxART_CDROM, GTK_STOCK_CDROM) 111 ART(wxART_HARDDISK, GTK_STOCK_HARDDISK) 112 ART(wxART_REMOVABLE, GTK_STOCK_HARDDISK) 113 114 ART(wxART_FILE_SAVE, GTK_STOCK_SAVE) 115 ART(wxART_FILE_SAVE_AS, GTK_STOCK_SAVE_AS) 116 117 ART(wxART_COPY, GTK_STOCK_COPY) 118 ART(wxART_CUT, GTK_STOCK_CUT) 119 ART(wxART_PASTE, GTK_STOCK_PASTE) 120 ART(wxART_DELETE, GTK_STOCK_DELETE) 121 ART(wxART_NEW, GTK_STOCK_NEW) 122 123 ART(wxART_UNDO, GTK_STOCK_UNDO) 124 ART(wxART_REDO, GTK_STOCK_REDO) 125 126 ART(wxART_QUIT, GTK_STOCK_QUIT) 127 128 ART(wxART_FIND, GTK_STOCK_FIND) 129 ART(wxART_FIND_AND_REPLACE, GTK_STOCK_FIND_AND_REPLACE) 130#endif 131 132 return NULL; 133 134 #undef ART 135} 136 137GtkIconSize wxArtClientToIconSize(const wxArtClient& client) 138{ 139 if (client == wxART_TOOLBAR) 140 return GTK_ICON_SIZE_LARGE_TOOLBAR; 141 else if (client == wxART_MENU) 142 return GTK_ICON_SIZE_MENU; 143 else if (client == wxART_CMN_DIALOG || client == wxART_MESSAGE_BOX) 144 return GTK_ICON_SIZE_DIALOG; 145 else if (client == wxART_BUTTON) 146 return GTK_ICON_SIZE_BUTTON; 147 else 148 return GTK_ICON_SIZE_INVALID; // this is arbitrary 149} 150 151static GtkIconSize FindClosestIconSize(const wxSize& size) 152{ 153 #define NUM_SIZES 6 154 static struct 155 { 156 GtkIconSize icon; 157 gint x, y; 158 } s_sizes[NUM_SIZES]; 159 static bool s_sizesInitialized = false; 160 161 if (!s_sizesInitialized) 162 { 163 s_sizes[0].icon = GTK_ICON_SIZE_MENU; 164 s_sizes[1].icon = GTK_ICON_SIZE_SMALL_TOOLBAR; 165 s_sizes[2].icon = GTK_ICON_SIZE_LARGE_TOOLBAR; 166 s_sizes[3].icon = GTK_ICON_SIZE_BUTTON; 167 s_sizes[4].icon = GTK_ICON_SIZE_DND; 168 s_sizes[5].icon = GTK_ICON_SIZE_DIALOG; 169 for (size_t i = 0; i < NUM_SIZES; i++) 170 { 171 gtk_icon_size_lookup(s_sizes[i].icon, 172 &s_sizes[i].x, &s_sizes[i].y); 173 } 174 s_sizesInitialized = true; 175 } 176 177 GtkIconSize best = GTK_ICON_SIZE_DIALOG; // presumably largest 178 unsigned distance = INT_MAX; 179 for (size_t i = 0; i < NUM_SIZES; i++) 180 { 181 // only use larger bitmaps, scaling down looks better than scaling up: 182 if (size.x > s_sizes[i].x || size.y > s_sizes[i].y) 183 continue; 184 185 unsigned dist = (size.x - s_sizes[i].x) * (size.x - s_sizes[i].x) + 186 (size.y - s_sizes[i].y) * (size.y - s_sizes[i].y); 187 if (dist == 0) 188 return s_sizes[i].icon; 189 else if (dist < distance) 190 { 191 distance = dist; 192 best = s_sizes[i].icon; 193 } 194 } 195 return best; 196} 197 198 199static GtkStyle *gs_gtkStyle = NULL; 200 201static GdkPixbuf *CreateStockIcon(const char *stockid, GtkIconSize size) 202{ 203 // FIXME: This code is not 100% correct, because stock pixmap are 204 // context-dependent and may be affected by theme engine, the 205 // correct value can only be obtained for given GtkWidget object. 206 // 207 // Fool-proof implementation of stock bitmaps would extend wxBitmap 208 // with "stock-id" representation (in addition to pixmap and pixbuf 209 // ones) and would convert it to pixbuf when rendered. 210 211 if (gs_gtkStyle == NULL) 212 { 213 GtkWidget *widget = gtk_button_new(); 214 gs_gtkStyle = gtk_rc_get_style(widget); 215 wxASSERT( gs_gtkStyle != NULL ); 216 g_object_ref(gs_gtkStyle); 217 gtk_object_sink((GtkObject*)widget); 218 } 219 220 GtkIconSet *iconset = gtk_style_lookup_icon_set(gs_gtkStyle, stockid); 221 222 if (!iconset) 223 return NULL; 224 225 return gtk_icon_set_render_icon(iconset, gs_gtkStyle, 226 gtk_widget_get_default_direction(), 227 GTK_STATE_NORMAL, size, NULL, NULL); 228} 229 230#ifdef __WXGTK24__ 231static GdkPixbuf *CreateThemeIcon(const char *iconname, 232 GtkIconSize iconsize, const wxSize& sz) 233{ 234 wxSize size(sz); 235 if (size == wxDefaultSize) 236 { 237 gtk_icon_size_lookup(iconsize, &size.x, &size.y); 238 } 239 240 return gtk_icon_theme_load_icon( 241 gtk_icon_theme_get_default(), 242 iconname, 243 size.x, 244 (GtkIconLookupFlags)0, NULL); 245} 246#endif 247 248wxBitmap wxGTK2ArtProvider::CreateBitmap(const wxArtID& id, 249 const wxArtClient& client, 250 const wxSize& size) 251{ 252 wxCharBuffer stockid = wxArtIDToStock(id); 253 GtkIconSize stocksize = (size == wxDefaultSize) ? 254 wxArtClientToIconSize(client) : 255 FindClosestIconSize(size); 256 257 // we must have some size, this is arbitrary 258 if (stocksize == GTK_ICON_SIZE_INVALID) 259 stocksize = GTK_ICON_SIZE_BUTTON; 260 261 // allow passing GTK+ stock IDs to wxArtProvider: 262 if (!stockid) 263 stockid = id.ToAscii(); 264 265 GdkPixbuf *pixbuf = CreateStockIcon(stockid, stocksize); 266 267#ifdef __WXGTK24__ 268 if (!pixbuf && !gtk_check_version(2,4,0)) 269 { 270 pixbuf = CreateThemeIcon(stockid, stocksize, size); 271 } 272#endif 273 274 if (pixbuf && size != wxDefaultSize && 275 (size.x != gdk_pixbuf_get_width(pixbuf) || 276 size.y != gdk_pixbuf_get_height(pixbuf))) 277 { 278 GdkPixbuf *p2 = gdk_pixbuf_scale_simple(pixbuf, size.x, size.y, 279 GDK_INTERP_BILINEAR); 280 if (p2) 281 { 282 g_object_unref (pixbuf); 283 pixbuf = p2; 284 } 285 } 286 287 wxBitmap bmp; 288 if (pixbuf != NULL) 289 bmp.SetPixbuf(pixbuf); 290 291 return bmp; 292} 293 294// ---------------------------------------------------------------------------- 295// Cleanup 296// ---------------------------------------------------------------------------- 297 298class wxArtGtkModule: public wxModule 299{ 300public: 301 bool OnInit() { return true; } 302 void OnExit() 303 { 304 if (gs_gtkStyle) 305 { 306 g_object_unref(gs_gtkStyle); 307 gs_gtkStyle = NULL; 308 } 309 } 310 311 DECLARE_DYNAMIC_CLASS(wxArtGtkModule) 312}; 313 314IMPLEMENT_DYNAMIC_CLASS(wxArtGtkModule, wxModule) 315 316#endif // !defined(__WXUNIVERSAL__) 317