Sequencer WIP
[blender.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(MATERIAL_OT_new);
214         WM_operatortype_append(TEXTURE_OT_new);
215         WM_operatortype_append(WORLD_OT_new);
216 }
217
218 void buttons_keymap(struct wmWindowManager *wm)
219 {
220         
221 }
222
223 /* add handlers, stuff you only do once or on area/region changes */
224 static void buttons_header_area_init(wmWindowManager *wm, ARegion *ar)
225 {
226         UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_HEADER, ar->winx, ar->winy);
227 }
228
229 static void buttons_header_area_draw(const bContext *C, ARegion *ar)
230 {
231         float col[3];
232         
233         /* clear */
234         if(ED_screen_area_active(C))
235                 UI_GetThemeColor3fv(TH_HEADER, col);
236         else
237                 UI_GetThemeColor3fv(TH_HEADERDESEL, col);
238         
239         glClearColor(col[0], col[1], col[2], 0.0);
240         glClear(GL_COLOR_BUFFER_BIT);
241         
242         /* set view2d view matrix for scrolling (without scrollers) */
243         UI_view2d_view_ortho(C, &ar->v2d);
244         
245         buttons_header_buttons(C, ar);
246         
247         /* restore view matrix? */
248         UI_view2d_view_restore(C);
249 }
250
251 #if 0
252 /* add handlers, stuff you only do once or on area/region changes */
253 static void buttons_context_area_init(wmWindowManager *wm, ARegion *ar)
254 {
255         UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_HEADER, ar->winx, ar->winy);
256 }
257
258 #define CONTEXTY        30
259
260 static void buttons_context_area_draw(const bContext *C, ARegion *ar)
261 {
262         SpaceButs *sbuts= (SpaceButs*)CTX_wm_space_data(C);
263         uiStyle *style= U.uistyles.first;
264         uiBlock *block;
265         uiLayout *layout;
266         View2D *v2d= &ar->v2d;
267         float col[3];
268         int x, y, w, h;
269
270         buttons_context_compute(C, sbuts);
271
272         w= v2d->cur.xmax - v2d->cur.xmin;
273         h= v2d->cur.ymax - v2d->cur.ymin;
274         UI_view2d_view_ortho(C, v2d);
275
276         /* create UI */
277         block= uiBeginBlock(C, ar, "buttons_context", UI_EMBOSS);
278         layout= uiBlockLayout(block, UI_LAYOUT_HORIZONTAL, UI_LAYOUT_PANEL,
279                 style->panelspace, h - (h-UI_UNIT_Y)/2, w, 20, style);
280
281         buttons_context_draw(C, layout);
282
283         uiBlockLayoutResolve(C, block, &x, &y);
284         uiEndBlock(C, block);
285
286         /* draw */
287         UI_SetTheme(SPACE_BUTS, RGN_TYPE_WINDOW); /* XXX */
288
289         UI_GetThemeColor3fv(TH_BACK, col);
290         glClearColor(col[0], col[1], col[2], 0.0);
291         glClear(GL_COLOR_BUFFER_BIT);
292
293         UI_view2d_totRect_set(v2d, x, -y);
294         UI_view2d_view_ortho(C, v2d);
295
296         uiDrawBlock(C, block);
297
298         /* restore view matrix */
299         UI_view2d_view_restore(C);
300 }
301 #endif
302
303 /* reused! */
304 static void buttons_area_listener(ScrArea *sa, wmNotifier *wmn)
305 {
306         SpaceButs *sbuts= sa->spacedata.first;
307
308         /* context changes */
309         switch(wmn->category) {
310                 case NC_SCENE:
311                         switch(wmn->data) {
312                                 case ND_FRAME:
313                                         ED_area_tag_redraw(sa);
314                                         break;
315                                         
316                                 case ND_OB_ACTIVE:
317                                         ED_area_tag_redraw(sa);
318                                         sbuts->preview= 1;
319                                         break;
320                         }
321                         break;
322                 case NC_OBJECT:
323                         switch(wmn->data) {
324                                 case ND_TRANSFORM:
325                                 case ND_BONE_ACTIVE:
326                                 case ND_BONE_SELECT:
327                                 case ND_GEOM_SELECT:
328                                         ED_area_tag_redraw(sa);
329                                         break;
330                         }
331                         break;
332                 case NC_MATERIAL:
333                         ED_area_tag_redraw(sa);
334                         
335                         switch(wmn->data) {
336                                 case ND_SHADING:
337                                 case ND_SHADING_DRAW:
338                                         /* currently works by redraws... if preview is set, it (re)starts job */
339                                         sbuts->preview= 1;
340                                         printf("shader notifier \n");
341                                         break;
342                         }                                       
343                         break;
344                 case NC_WORLD:
345                         ED_area_tag_redraw(sa);
346                         sbuts->preview= 1;
347                 case NC_LAMP:
348                         ED_area_tag_redraw(sa);
349                         sbuts->preview= 1;
350                 case NC_TEXTURE:
351                         ED_area_tag_redraw(sa);
352                         sbuts->preview= 1;
353         }
354 }
355
356 /* only called once, from space/spacetypes.c */
357 void ED_spacetype_buttons(void)
358 {
359         SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype buttons");
360         ARegionType *art;
361         
362         st->spaceid= SPACE_BUTS;
363         
364         st->new= buttons_new;
365         st->free= buttons_free;
366         st->init= buttons_init;
367         st->duplicate= buttons_duplicate;
368         st->operatortypes= buttons_operatortypes;
369         st->keymap= buttons_keymap;
370         st->listener= buttons_area_listener;
371         st->context= buttons_context;
372         
373         /* regions: main window */
374         art= MEM_callocN(sizeof(ARegionType), "spacetype buttons region");
375         art->regionid = RGN_TYPE_WINDOW;
376         art->init= buttons_main_area_init;
377         art->draw= buttons_main_area_draw;
378         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_FRAMES;
379         BLI_addhead(&st->regiontypes, art);
380
381         buttons_context_register(art);
382         
383         /* regions: header */
384         art= MEM_callocN(sizeof(ARegionType), "spacetype buttons region");
385         art->regionid = RGN_TYPE_HEADER;
386         art->minsizey= HEADERY;
387         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D|ED_KEYMAP_FRAMES;
388         
389         art->init= buttons_header_area_init;
390         art->draw= buttons_header_area_draw;
391         BLI_addhead(&st->regiontypes, art);
392
393 #if 0
394         /* regions: context */
395         art= MEM_callocN(sizeof(ARegionType), "spacetype buttons region");
396         art->regionid = RGN_TYPE_CHANNELS;
397         art->minsizey= CONTEXTY;
398         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_FRAMES;
399         art->init= buttons_context_area_init;
400         art->draw= buttons_context_area_draw;;
401         art->listener= buttons_area_listener;
402         
403         BLI_addhead(&st->regiontypes, art);
404 #endif
405         
406         BKE_spacetype_register(st);
407 }
408