4 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 // Global objects for the user interface
32 #include "bcdisplayinfo.inc"
33 #include "bcfilebox.h"
34 #include "bcfontentry.inc"
35 #include "bcresources.inc"
36 #include "bcsignals.inc"
37 #include "bcsynchronous.inc"
38 #include "bcwindowbase.inc"
58 BC_Resources(); // The window parameter is used to get the display information initially
61 friend class BC_WindowBase;
63 int initialize_display(BC_WindowBase *window);
67 // Get ID for filebox history. Persistent.
69 int get_bg_color(); // window backgrounds
70 int get_bg_shadow1(); // border for windows
74 // Get synchronous thread for OpenGL
75 BC_Synchronous* get_synchronous();
76 // Called by user after synchronous thread is created.
77 void set_synchronous(BC_Synchronous *synchronous);
79 static void set_signals(BC_Signals *signal_handler);
80 static BC_Signals* get_signals();
83 // These values should be changed before the first window is created.
85 int bg_color; // window backgrounds
91 int bg_shadow1; // border for windows
95 int default_text_color;
96 int disabled_text_color;
101 int button_highlighted;
105 int button_uphighlighted;
108 int highlight_inverse;
110 // 3D box colors for menus
112 int menu_highlighted;
116 // If these are nonzero, they override the menu backgrounds.
117 VFrame *menu_popup_bg;
118 VFrame **menu_title_bg;
120 VFrame **popupmenu_images;
122 // Minimum menu width
124 // Menu bar text color
126 // color of popup title
127 int popup_title_text;
128 // Right and left margin for text not including triangle space.
129 int popupmenu_margin;
130 // post popup on button release event
132 // Right margin for triangle not including text margin.
133 int popupmenu_triangle_margin;
134 // color for item text
136 // Override the menu item background if nonzero.
137 VFrame **menu_item_bg;
140 // color for progress text
144 int menu_highlighted_fontcolor;
146 // ms for double click
148 // ms for cursor flash
150 // ms for scroll repeats
154 int tooltip_bg_color;
155 int tooltips_enabled;
156 int textbox_focus_policy;
158 int audiovideo_color;
160 // default color of text
162 // background color of textboxes and list boxes
167 int text_background_hi;
168 int text_background_noborder_hi;
173 int text_inactive_highlight;
174 int text_selected_highlight;
176 int text_background_noborder;
178 // Optional background for highlighted text in toggle
179 VFrame *toggle_highlight_bg;
180 int toggle_text_margin;
183 static VFrame *bg_image;
184 static VFrame *menu_bg;
188 VFrame **cancel_images;
189 VFrame **filebox_text_images;
190 VFrame **filebox_icons_images;
191 VFrame **filebox_updir_images;
192 VFrame **filebox_newfolder_images;
193 VFrame **filebox_rename_images;
194 VFrame **filebox_descend_images;
195 VFrame **filebox_delete_images;
196 VFrame **filebox_reload_images;
198 // Generic button images
199 VFrame **generic_button_images;
200 // Generic button text margin
201 int generic_button_margin;
202 VFrame **usethis_button_images;
205 VFrame **checkbox_images;
206 VFrame **radial_images;
207 VFrame **label_images;
211 VFrame **tumble_data;
219 VFrame **listbox_button;
220 VFrame **listbox_expand;
221 VFrame **listbox_column;
224 int listbox_title_overlap;
225 // Margin for titles in addition to listbox border
226 int listbox_title_margin;
227 int listbox_title_color;
228 int listbox_title_hotspot;
230 int listbox_border2_hi;
232 int listbox_border3_hi;
235 // Selected row color
236 int listbox_selected;
237 // Highlighted row color
238 int listbox_highlighted;
239 // Inactive row color
240 int listbox_inactive;
241 // Default text color
246 VFrame **horizontal_slider_data;
247 VFrame **vertical_slider_data;
248 VFrame **hscroll_data;
250 VFrame **vscroll_data;
251 // Minimum pixels in handle
252 int scroll_minhandle;
260 int pot_x1, pot_y1, pot_r;
261 // Amount of deflection of pot when down
263 int pot_needle_color;
266 VFrame **xmeter_images, **ymeter_images;
268 int meter_font_color;
273 VFrame **progress_images;
275 // Motion required to start a drag
279 static suffix_to_type_t suffix_to_type[TOTAL_SUFFIXES];
280 VFrame **type_to_icon;
281 // Display mode for fileboxes
283 // Filter currently used in filebox
284 char filebox_filter[BCTEXTLEN];
285 // History of submitted files
286 filebox_history_t filebox_history[FILEBOX_HISTORY_SIZE];
290 // Column types for filebox
291 int filebox_columntype[FILEBOX_COLUMNS];
292 int filebox_columnwidth[FILEBOX_COLUMNS];
293 int filebox_sortcolumn;
294 int filebox_sortorder;
295 // Column types for filebox in directory mode
296 int dirbox_columntype[FILEBOX_COLUMNS];
297 int dirbox_columnwidth[FILEBOX_COLUMNS];
298 int dirbox_sortcolumn;
299 int dirbox_sortorder;
300 // Bottom margin between list and window
305 double font_scale, icon_scale;
308 static const char *small_font;
309 static const char *medium_font;
310 static const char *large_font;
311 static const char *big_font;
312 // Backup of fonts in case the first choices don't exist
313 static const char *small_font2;
314 static const char *medium_font2;
315 static const char *large_font2;
316 static const char *big_font2;
318 static const char *small_fontset;
319 static const char *medium_fontset;
320 static const char *large_fontset;
321 static const char *big_fontset;
323 static const char *small_font_xft, *small_b_font_xft;
324 static const char *medium_font_xft, *medium_b_font_xft;
325 static const char *large_font_xft, *large_b_font_xft;
326 static const char *big_font_xft, *big_b_font_xft;
328 // Backup of fonts in case the first choices don't exist
329 static const char *small_font_xft2;
330 static const char *medium_font_xft2;
331 static const char *large_font_xft2;
332 static const char *big_font_xft2;
333 void init_font_defs(double scale);
334 void finit_font_defs();
336 VFrame **medium_7segment;
339 int draw_clock_background;
344 // Current locale uses utf8
345 static int locale_utf8;
346 // Byte order is little_endian
347 static int little_endian;
348 // Language and region
349 static char language[LEN_LANG];
350 static char region[LEN_LANG];
351 static char encoding[LEN_ENCOD];
352 static const char *wide_encoding;
353 static ArrayList<BC_FontEntry*> *fontlist;
354 static int init_fontconfig(const char *search_path);
355 static BC_FontEntry *find_fontentry(const char *displayname, int style,
356 int mask, int preferred_style = 0);
357 static void encode_to_utf8(char *buffer, int buflen);
358 static FcPattern* find_similar_font(FT_ULong char_code, FcPattern *oldfont);
359 static size_t encode(const char *from_enc, const char *to_enc,
360 char *input, int input_length, char *output, int output_length);
361 static int find_font_by_char(FT_ULong char_code, char *path_new, const FT_Face oldface);
362 static void dump_fonts(FILE *fp = stdout);
364 static void new_vframes(int n, VFrame *vframes[], ...);
365 static void del_vframes(VFrame *vframes[], int n);
367 static VFrame *default_type_to_icon[6];
368 static VFrame *default_bar;
369 static VFrame *default_cancel_images[3];
370 static VFrame *default_ok_images[3];
371 static VFrame *default_usethis_images[3];
373 static VFrame *default_checkbox_images[5];
374 static VFrame *default_radial_images[5];
375 static VFrame *default_label_images[5];
377 static VFrame *default_menuitem_data[3];
378 static VFrame *default_menubar_data[3];
379 static VFrame *default_menu_popup_bg;
380 static VFrame *default_menu_bar_bg;
381 static VFrame *default_check_image;
382 static VFrame *default_filebox_text_images[3];
383 static VFrame *default_filebox_icons_images[3];
384 static VFrame *default_filebox_updir_images[3];
385 static VFrame *default_filebox_newfolder_images[3];
386 static VFrame *default_filebox_rename_images[3];
387 static VFrame *default_filebox_delete_images[3];
388 static VFrame *default_filebox_reload_images[3];
389 static VFrame *default_listbox_button[4];
390 static VFrame *default_listbox_bg;
391 static VFrame *default_listbox_expand[5];
392 static VFrame *default_listbox_column[3];
393 static VFrame *default_listbox_up;
394 static VFrame *default_listbox_dn;
395 static VFrame *default_pot_images[3];
396 static VFrame *default_progress_images[2];
397 static VFrame *default_medium_7segment[20];
399 // Make VFrame use shm
401 int use_vframe_shm() { return use_shm && vframe_shm ? 1 : 0; }
403 static int get_machine_cpus();
404 static int machine_cpus;
405 // Available display extensions
409 // If the program uses recursive_resizing
410 int recursive_resizing;
411 // Work around X server bugs
413 // Seems to help if only 1 window is created at a time.
414 Mutex *create_window_lock;
417 // Test for availability of shared memory pixmaps
418 void init_shm(BC_WindowBase *window);
419 void init_sizes(BC_WindowBase *window);
420 static int x_error_handler(Display *display, XErrorEvent *event);
421 VFrame **list_pointers[100];
422 int list_lengths[100];
424 static const char *fc_properties[];
428 static Mutex fontconfig_lock;
430 // Pointer to signal handler class to run after ipc
431 static BC_Signals *signal_handler;
432 BC_Synchronous *synchronous;