483a1dc61002c60f7fb1385865513847a4041b12
[blender-staging.git] / source / blender / editors / space_buttons / space_buttons.c
1 /**
2  * $Id:
3  *
4  * ***** BEGIN GPL LICENSE BLOCK *****
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version. 
10  *
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.
15  *
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 Foundation,
18  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19  *
20  * The Original Code is Copyright (C) 2008 Blender Foundation.
21  * All rights reserved.
22  *
23  * 
24  * Contributor(s): Blender Foundation
25  *
26  * ***** END GPL LICENSE BLOCK *****
27  */
28
29 #include <string.h>
30 #include <stdio.h>
31
32 #include "DNA_object_types.h"
33 #include "DNA_space_types.h"
34 #include "DNA_scene_types.h"
35 #include "DNA_screen_types.h"
36 #include "DNA_userdef_types.h"
37
38 #include "MEM_guardedalloc.h"
39
40 #include "BLI_blenlib.h"
41 #include "BLI_arithb.h"
42 #include "BLI_rand.h"
43
44 #include "BKE_colortools.h"
45 #include "BKE_context.h"
46 #include "BKE_screen.h"
47
48 #include "ED_space_api.h"
49 #include "ED_screen.h"
50
51 #include "BIF_gl.h"
52
53 #include "WM_api.h"
54 #include "WM_types.h"
55
56 #include "UI_interface.h"
57 #include "UI_resources.h"
58 #include "UI_view2d.h"
59
60 #include "ED_previewrender.h"
61
62 #include "buttons_intern.h"     // own include
63
64 /* ******************** default callbacks for buttons space ***************** */
65
66 static SpaceLink *buttons_new(const bContext *C)
67 {
68         ARegion *ar;
69         SpaceButs *sbuts;
70         
71         sbuts= MEM_callocN(sizeof(SpaceButs), "initbuts");
72         sbuts->spacetype= SPACE_BUTS;
73         sbuts->scaflag= BUTS_SENS_LINK|BUTS_SENS_ACT|BUTS_CONT_ACT|BUTS_ACT_ACT|BUTS_ACT_LINK;
74         sbuts->align= BUT_AUTO;
75
76         /* header */
77         ar= MEM_callocN(sizeof(ARegion), "header for buts");
78         
79         BLI_addtail(&sbuts->regionbase, ar);
80         ar->regiontype= RGN_TYPE_HEADER;
81         ar->alignment= RGN_ALIGN_BOTTOM;
82         
83 #if 0
84         /* context area */
85         ar= MEM_callocN(sizeof(ARegion), "context area for buts");
86         BLI_addtail(&sbuts->regionbase, ar);
87         ar->regiontype= RGN_TYPE_CHANNELS;
88         ar->alignment= RGN_ALIGN_TOP;
89 #endif
90
91         /* main area */
92         ar= MEM_callocN(sizeof(ARegion), "main area for buts");
93         
94         BLI_addtail(&sbuts->regionbase, ar);
95         ar->regiontype= RGN_TYPE_WINDOW;
96         
97 #if 0 // disabled, as this currently draws badly in new system
98         /* buts space goes from (0,0) to (1280, 228) */
99         ar->v2d.tot.xmin= 0.0f;
100         ar->v2d.tot.ymin= 0.0f;
101         ar->v2d.tot.xmax= 1279.0f;
102         ar->v2d.tot.ymax= 228.0f;
103         
104         ar->v2d.cur= sbuts->v2d.tot;
105         
106         ar->v2d.min[0]= 256.0f;
107         ar->v2d.min[1]= 42.0f;
108         
109         ar->v2d.max[0]= 2048.0f;
110         ar->v2d.max[1]= 450.0f;
111         
112         ar->v2d.minzoom= 0.5f;
113         ar->v2d.maxzoom= 1.21f;
114         
115         ar->v2d.scroll= 0;  // TODO: will we need scrollbars?
116         ar->v2d.align= V2D_ALIGN_NO_NEG_X|V2D_ALIGN_NO_NEG_Y;
117         ar->v2d.keepzoom= V2D_KEEPZOOM|V2D_KEEPASPECT;
118         ar->v2d.keeptot= V2D_KEEPTOT_BOUNDS;
119 #endif  
120         
121         
122         return (SpaceLink *)sbuts;
123 }
124
125 /* not spacelink itself */
126 static void buttons_free(SpaceLink *sl)
127 {       
128         SpaceButs *sbuts= (SpaceButs*) sl;
129         
130         if(sbuts->ri) { 
131                 if (sbuts->ri->rect) MEM_freeN(sbuts->ri->rect);
132                 MEM_freeN(sbuts->ri);
133         }
134
135         if(sbuts->path)
136                 MEM_freeN(sbuts->path);
137 }
138
139 /* spacetype; init callback */
140 static void buttons_init(struct wmWindowManager *wm, ScrArea *sa)
141 {
142         SpaceButs *sbuts= sa->spacedata.first;
143
144         /* auto-align based on size */
145         if(sbuts->align == BUT_AUTO || !sbuts->align) {
146                 if(sa->winx > sa->winy)
147                         sbuts->align= BUT_HORIZONTAL;
148                 else
149                         sbuts->align= BUT_VERTICAL;
150         }
151 }
152
153 static SpaceLink *buttons_duplicate(SpaceLink *sl)
154 {
155         SpaceButs *sbutsn= MEM_dupallocN(sl);
156         
157         /* clear or remove stuff from old */
158         sbutsn->ri= NULL;
159         sbutsn->path= NULL;
160         
161         return (SpaceLink *)sbutsn;
162 }
163
164 /* add handlers, stuff you only do once or on area/region changes */
165 static void buttons_main_area_init(wmWindowManager *wm, ARegion *ar)
166 {
167         ListBase *keymap;
168
169         ED_region_panels_init(wm, ar);
170         
171         /* own keymap */
172         keymap= WM_keymap_listbase(wm, "Buttons", SPACE_BUTS, 0);       /* XXX weak? */
173         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
174 }
175
176 static void buttons_main_area_draw(const bContext *C, ARegion *ar)
177 {
178         /* draw entirely, view changes should be handled here */
179         SpaceButs *sbuts= (SpaceButs*)CTX_wm_space_data(C);
180         int vertical= (sbuts->align == BUT_VERTICAL);
181
182         buttons_context_compute(C, sbuts);
183
184         if(sbuts->mainb == BCONTEXT_SCENE)
185                 ED_region_panels(C, ar, vertical, "scene");
186         else if(sbuts->mainb == BCONTEXT_WORLD)
187                 ED_region_panels(C, ar, vertical, "world");
188         else if(sbuts->mainb == BCONTEXT_OBJECT)
189                 ED_region_panels(C, ar, vertical, "object");
190         else if(sbuts->mainb == BCONTEXT_DATA)
191                 ED_region_panels(C, ar, vertical, "data");
192         else if(sbuts->mainb == BCONTEXT_MATERIAL)
193                 ED_region_panels(C, ar, vertical, "material");
194         else if(sbuts->mainb == BCONTEXT_TEXTURE)
195                 ED_region_panels(C, ar, vertical, "texture");
196         else if(sbuts->mainb == BCONTEXT_PARTICLE)
197                 ED_region_panels(C, ar, vertical, "particle");
198         else if(sbuts->mainb == BCONTEXT_PHYSICS)
199                 ED_region_panels(C, ar, vertical, "physics");
200         else if(sbuts->mainb == BCONTEXT_BONE)
201                 ED_region_panels(C, ar, vertical, "bone");
202         else if(sbuts->mainb == BCONTEXT_MODIFIER)
203                 ED_region_panels(C, ar, vertical, "modifier");
204         else if (sbuts->mainb == BCONTEXT_CONSTRAINT)
205                 ED_region_panels(C, ar, vertical, "constraint");
206
207     sbuts->re_align= 0;
208         sbuts->mainbo= sbuts->mainb;
209 }
210
211 void buttons_operatortypes(void)
212 {
213         WM_operatortype_append(OBJECT_OT_material_slot_add);
214         WM_operatortype_append(OBJECT_OT_material_slot_remove);
215         WM_operatortype_append(OBJECT_OT_material_slot_assign);
216         WM_operatortype_append(OBJECT_OT_material_slot_select);
217         WM_operatortype_append(OBJECT_OT_material_slot_deselect);
218
219         WM_operatortype_append(MATERIAL_OT_new);
220         WM_operatortype_append(TEXTURE_OT_new);
221         WM_operatortype_append(WORLD_OT_new);
222 }
223
224 void buttons_keymap(struct wmWindowManager *wm)
225 {
226         
227 }
228
229 //#define PY_HEADER
230 /* add handlers, stuff you only do once or on area/region changes */
231 static void buttons_header_area_init(wmWindowManager *wm, ARegion *ar)
232 {
233 #ifdef PY_HEADER
234         ED_region_header_init(ar);
235 #else
236         UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_HEADER, ar->winx, ar->winy);
237 #endif
238 }
239
240 static void buttons_header_area_draw(const bContext *C, ARegion *ar)
241 {
242 #ifdef PY_HEADER
243         ED_region_header(C, ar);
244 #else
245
246         float col[3];
247         
248         /* clear */
249         if(ED_screen_area_active(C))
250                 UI_GetThemeColor3fv(TH_HEADER, col);
251         else
252                 UI_GetThemeColor3fv(TH_HEADERDESEL, col);
253         
254         glClearColor(col[0], col[1], col[2], 0.0);
255         glClear(GL_COLOR_BUFFER_BIT);
256         
257         /* set view2d view matrix for scrolling (without scrollers) */
258         UI_view2d_view_ortho(C, &ar->v2d);
259         
260         buttons_header_buttons(C, ar);
261 #endif  
262
263         /* restore view matrix? */
264         UI_view2d_view_restore(C);
265 }
266
267 #if 0
268 /* add handlers, stuff you only do once or on area/region changes */
269 static void buttons_context_area_init(wmWindowManager *wm, ARegion *ar)
270 {
271         UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_HEADER, ar->winx, ar->winy);
272 }
273
274 #define CONTEXTY        30
275
276 static void buttons_context_area_draw(const bContext *C, ARegion *ar)
277 {
278         SpaceButs *sbuts= (SpaceButs*)CTX_wm_space_data(C);
279         uiStyle *style= U.uistyles.first;
280         uiBlock *block;
281         uiLayout *layout;
282         View2D *v2d= &ar->v2d;
283         float col[3];
284         int x, y, w, h;
285
286         buttons_context_compute(C, sbuts);
287
288         w= v2d->cur.xmax - v2d->cur.xmin;
289         h= v2d->cur.ymax - v2d->cur.ymin;
290         UI_view2d_view_ortho(C, v2d);
291
292         /* create UI */
293         block= uiBeginBlock(C, ar, "buttons_context", UI_EMBOSS);
294         layout= uiBlockLayout(block, UI_LAYOUT_HORIZONTAL, UI_LAYOUT_PANEL,
295                 style->panelspace, h - (h-UI_UNIT_Y)/2, w, 20, style);
296
297         buttons_context_draw(C, layout);
298
299         uiBlockLayoutResolve(C, block, &x, &y);
300         uiEndBlock(C, block);
301
302         /* draw */
303         UI_SetTheme(SPACE_BUTS, RGN_TYPE_WINDOW); /* XXX */
304
305         UI_GetThemeColor3fv(TH_BACK, col);
306         glClearColor(col[0], col[1], col[2], 0.0);
307         glClear(GL_COLOR_BUFFER_BIT);
308
309         UI_view2d_totRect_set(v2d, x, -y);
310         UI_view2d_view_ortho(C, v2d);
311
312         uiDrawBlock(C, block);
313
314         /* restore view matrix */
315         UI_view2d_view_restore(C);
316 }
317 #endif
318
319 /* reused! */
320 static void buttons_area_listener(ScrArea *sa, wmNotifier *wmn)
321 {
322         SpaceButs *sbuts= sa->spacedata.first;
323
324         /* context changes */
325         switch(wmn->category) {
326                 case NC_SCENE:
327                         switch(wmn->data) {
328                                 case ND_FRAME:
329                                         ED_area_tag_redraw(sa);
330                                         break;
331                                         
332                                 case ND_OB_ACTIVE:
333                                         ED_area_tag_redraw(sa);
334                                         sbuts->preview= 1;
335                                         break;
336                         }
337                         break;
338                 case NC_OBJECT:
339                         switch(wmn->data) {
340                                 case ND_TRANSFORM:
341                                 case ND_BONE_ACTIVE:
342                                 case ND_BONE_SELECT:
343                                 case ND_GEOM_SELECT:
344                                         ED_area_tag_redraw(sa);
345                                         break;
346                                 case ND_SHADING:
347                                 case ND_SHADING_DRAW:
348                                         /* currently works by redraws... if preview is set, it (re)starts job */
349                                         sbuts->preview= 1;
350                                         break;
351                         }
352                         break;
353                 case NC_MATERIAL:
354                         ED_area_tag_redraw(sa);
355                         
356                         switch(wmn->data) {
357                                 case ND_SHADING:
358                                 case ND_SHADING_DRAW:
359                                         /* currently works by redraws... if preview is set, it (re)starts job */
360                                         sbuts->preview= 1;
361                                         break;
362                         }                                       
363                         break;
364                 case NC_WORLD:
365                         ED_area_tag_redraw(sa);
366                         sbuts->preview= 1;
367                 case NC_LAMP:
368                         ED_area_tag_redraw(sa);
369                         sbuts->preview= 1;
370                 case NC_TEXTURE:
371                         ED_area_tag_redraw(sa);
372                         sbuts->preview= 1;
373         }
374 }
375
376 /* only called once, from space/spacetypes.c */
377 void ED_spacetype_buttons(void)
378 {
379         SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype buttons");
380         ARegionType *art;
381         
382         st->spaceid= SPACE_BUTS;
383         
384         st->new= buttons_new;
385         st->free= buttons_free;
386         st->init= buttons_init;
387         st->duplicate= buttons_duplicate;
388         st->operatortypes= buttons_operatortypes;
389         st->keymap= buttons_keymap;
390         st->listener= buttons_area_listener;
391         st->context= buttons_context;
392         
393         /* regions: main window */
394         art= MEM_callocN(sizeof(ARegionType), "spacetype buttons region");
395         art->regionid = RGN_TYPE_WINDOW;
396         art->init= buttons_main_area_init;
397         art->draw= buttons_main_area_draw;
398         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_FRAMES;
399         BLI_addhead(&st->regiontypes, art);
400
401         buttons_context_register(art);
402         
403         /* regions: header */
404         art= MEM_callocN(sizeof(ARegionType), "spacetype buttons region");
405         art->regionid = RGN_TYPE_HEADER;
406         art->minsizey= HEADERY;
407         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D|ED_KEYMAP_FRAMES;
408         
409         art->init= buttons_header_area_init;
410         art->draw= buttons_header_area_draw;
411         BLI_addhead(&st->regiontypes, art);
412
413 #if 0
414         /* regions: context */
415         art= MEM_callocN(sizeof(ARegionType), "spacetype buttons region");
416         art->regionid = RGN_TYPE_CHANNELS;
417         art->minsizey= CONTEXTY;
418         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_FRAMES;
419         art->init= buttons_context_area_init;
420         art->draw= buttons_context_area_draw;;
421         art->listener= buttons_area_listener;
422         
423         BLI_addhead(&st->regiontypes, art);
424 #endif
425         
426         BKE_spacetype_register(st);
427 }
428