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1 | |
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2 | #include "Drawing.h" |
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3 | #include "CFV.h" |
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4 | #include <gtk/gtk.h> |
5 | #include <gdk/gdk.h> |
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6 | |
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7 | #include <lttv/processTrace.h> |
8 | |
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9 | /***************************************************************************** |
10 | * Drawing functions * |
11 | *****************************************************************************/ |
12 | |
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13 | //FIXME Colors will need to be dynamic. Graphic context part not done so far. |
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14 | typedef enum |
15 | { |
16 | RED, |
17 | GREEN, |
18 | BLUE, |
19 | WHITE, |
20 | BLACK |
21 | |
22 | } ControlFlowColors; |
23 | |
24 | /* Vector of unallocated colors */ |
25 | static GdkColor CF_Colors [] = |
26 | { |
27 | { 0, 0xffff, 0x0000, 0x0000 }, // RED |
28 | { 0, 0x0000, 0xffff, 0x0000 }, // GREEN |
29 | { 0, 0x0000, 0x0000, 0xffff }, // BLUE |
30 | { 0, 0xffff, 0xffff, 0xffff }, // WHITE |
31 | { 0, 0x0000, 0x0000, 0x0000 } // BLACK |
32 | }; |
33 | |
34 | |
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35 | //struct _Drawing_t { |
36 | // GtkWidget *Drawing_Area_V; |
37 | // GdkPixmap *Pixmap; |
38 | // ControlFlowData *Control_Flow_Data; |
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39 | |
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40 | // gint height, width, depth; |
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41 | |
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42 | //}; |
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43 | |
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44 | /* Function responsible for updating the exposed area. |
45 | * It must call processTrace() to ask for this update. |
46 | */ |
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47 | void Drawing_Data_Request(Drawing_t *Drawing, |
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48 | GdkPixmap **Pixmap, |
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49 | gint x, gint y, |
50 | gint width, |
51 | gint height) |
52 | { |
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53 | if(width < 0) return ; |
54 | if(height < 0) return ; |
55 | |
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56 | gdk_draw_rectangle (*Pixmap, |
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57 | Drawing->Drawing_Area_V->style->white_gc, |
58 | TRUE, |
59 | x, y, |
60 | width, // do not overlap |
61 | height); |
62 | |
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63 | send_test_process( |
64 | GuiControlFlow_get_Process_List(Drawing->Control_Flow_Data), |
65 | Drawing); |
66 | send_test_drawing( |
67 | GuiControlFlow_get_Process_List(Drawing->Control_Flow_Data), |
68 | Drawing, *Pixmap, x, y, width, height); |
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69 | |
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70 | } |
71 | |
72 | /* Callbacks */ |
73 | |
74 | |
75 | /* Create a new backing pixmap of the appropriate size */ |
76 | static gboolean |
77 | configure_event( GtkWidget *widget, GdkEventConfigure *event, |
78 | gpointer user_data) |
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79 | { |
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80 | Drawing_t *Drawing = (Drawing_t*)user_data; |
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81 | |
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82 | /* New Pixmap, size of the configure event */ |
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83 | GdkPixmap *Pixmap = gdk_pixmap_new(widget->window, |
84 | widget->allocation.width, |
85 | widget->allocation.height, |
86 | -1); |
87 | |
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88 | g_critical("drawing configure event"); |
89 | |
90 | /* If no old Pixmap present */ |
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91 | if(Drawing->Pixmap == NULL) |
92 | { |
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93 | Drawing->Pixmap = gdk_pixmap_new( |
94 | widget->window, |
95 | widget->allocation.width, |
96 | widget->allocation.height, |
97 | //ProcessList_get_height |
98 | // (GuiControlFlow_get_Process_List(Drawing->Control_Flow_Data)), |
99 | -1); |
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100 | Drawing->width = widget->allocation.width; |
101 | Drawing->height = widget->allocation.height; |
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102 | g_critical("init data"); |
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103 | /* Initial data request */ |
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104 | Drawing_Data_Request(Drawing, &Drawing->Pixmap, 0, 0, |
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105 | widget->allocation.width, |
106 | widget->allocation.height); |
107 | |
108 | } |
109 | // /* Draw empty background */ |
110 | // gdk_draw_rectangle (Pixmap, |
111 | // widget->style->black_gc, |
112 | // TRUE, |
113 | // 0, 0, |
114 | // widget->allocation.width, |
115 | // widget->allocation.height); |
116 | |
117 | /* Copy old data to new pixmap */ |
118 | gdk_draw_drawable (Pixmap, |
119 | widget->style->white_gc, |
120 | Drawing->Pixmap, |
121 | 0, 0, |
122 | 0, 0, |
123 | -1, -1); |
124 | |
125 | /* Request data for missing space */ |
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126 | g_critical("missing data"); |
127 | Drawing_Data_Request(Drawing, &Pixmap, Drawing->width, 0, |
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128 | widget->allocation.width - Drawing->width, |
129 | widget->allocation.height); |
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130 | Drawing_Data_Request(Drawing, &Pixmap, 0, Drawing->height, |
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131 | Drawing->width, |
132 | widget->allocation.height - Drawing->height); |
133 | |
134 | // gdk_draw_rectangle (Pixmap, |
135 | // widget->style->white_gc, |
136 | // TRUE, |
137 | // Drawing->width, 0, |
138 | // widget->allocation.width - |
139 | // Drawing->width, |
140 | // widget->allocation.height); |
141 | |
142 | // gdk_draw_rectangle (Pixmap, |
143 | // widget->style->white_gc, |
144 | // TRUE, |
145 | // 0, Drawing->height, |
146 | // Drawing->width, // do not overlap |
147 | // widget->allocation.height - |
148 | // Drawing->height); |
149 | |
150 | |
151 | |
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152 | |
153 | if (Drawing->Pixmap) |
154 | gdk_pixmap_unref(Drawing->Pixmap); |
155 | |
156 | Drawing->Pixmap = Pixmap; |
157 | Drawing->width = widget->allocation.width; |
158 | Drawing->height = widget->allocation.height; |
159 | |
160 | return TRUE; |
161 | } |
162 | |
163 | |
164 | /* Redraw the screen from the backing pixmap */ |
165 | static gboolean |
166 | expose_event( GtkWidget *widget, GdkEventExpose *event, gpointer user_data ) |
167 | { |
168 | Drawing_t *Drawing = (Drawing_t*)user_data; |
169 | g_critical("drawing expose event"); |
170 | |
171 | gdk_draw_pixmap(widget->window, |
172 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
173 | Drawing->Pixmap, |
174 | event->area.x, event->area.y, |
175 | event->area.x, event->area.y, |
176 | event->area.width, event->area.height); |
177 | |
178 | return FALSE; |
179 | } |
180 | |
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181 | Drawing_t *Drawing_construct(ControlFlowData *Control_Flow_Data) |
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182 | { |
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183 | Drawing_t *Drawing = g_new(Drawing_t, 1); |
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184 | |
185 | Drawing->Drawing_Area_V = gtk_drawing_area_new (); |
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186 | Drawing->Control_Flow_Data = Control_Flow_Data; |
187 | |
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188 | //gtk_widget_set_size_request(Drawing->Drawing_Area_V->window, 50, 50); |
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189 | g_object_set_data_full( |
190 | G_OBJECT(Drawing->Drawing_Area_V), |
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191 | "Link_Drawing_Data", |
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192 | Drawing, |
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193 | (GDestroyNotify)Drawing_destroy); |
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194 | |
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195 | //gtk_widget_modify_bg( Drawing->Drawing_Area_V, |
196 | // GTK_STATE_NORMAL, |
197 | // &CF_Colors[BLACK]); |
198 | |
199 | //gdk_window_get_geometry(Drawing->Drawing_Area_V->window, |
200 | // NULL, NULL, |
201 | // &(Drawing->width), |
202 | // &(Drawing->height), |
203 | // -1); |
204 | |
205 | //Drawing->Pixmap = gdk_pixmap_new( |
206 | // Drawing->Drawing_Area_V->window, |
207 | // Drawing->width, |
208 | // Drawing->height, |
209 | // Drawing->depth); |
210 | |
211 | Drawing->Pixmap = NULL; |
212 | |
213 | // Drawing->Pixmap = gdk_pixmap_new(Drawing->Drawing_Area_V->window, |
214 | // Drawing->Drawing_Area_V->allocation.width, |
215 | // Drawing->Drawing_Area_V->allocation.height, |
216 | // -1); |
217 | |
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218 | g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V), |
219 | "configure_event", |
220 | G_CALLBACK (configure_event), |
221 | (gpointer)Drawing); |
222 | |
223 | g_signal_connect (G_OBJECT(Drawing->Drawing_Area_V), |
224 | "expose_event", |
225 | G_CALLBACK (expose_event), |
226 | (gpointer)Drawing); |
227 | |
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228 | return Drawing; |
229 | } |
230 | |
231 | void Drawing_destroy(Drawing_t *Drawing) |
232 | { |
233 | |
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234 | // Do not unref here, Drawing_t destroyed by it's widget. |
235 | //g_object_unref( G_OBJECT(Drawing->Drawing_Area_V)); |
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236 | |
237 | g_free(Drawing); |
238 | } |
239 | |
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240 | GtkWidget *Drawing_getWidget(Drawing_t *Drawing) |
241 | { |
242 | return Drawing->Drawing_Area_V; |
243 | } |
244 | |
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245 | /* get_time_from_pixels |
246 | * |
247 | * Get the time interval from window time and pixels, and pixels requested. This |
248 | * function uses TimeMul, which should only be used if the float value is lower |
249 | * that 4, and here it's always lower than 1, so it's ok. |
250 | */ |
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251 | void convert_pixels_to_time( |
252 | Drawing_t *Drawing, |
253 | guint x, |
254 | LttTime *window_time_begin, |
255 | LttTime *window_time_end, |
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256 | LttTime *time) |
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257 | { |
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258 | LttTime window_time_interval; |
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259 | |
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260 | TimeSub(window_time_interval, *window_time_end, *window_time_begin); |
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261 | |
262 | |
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263 | TimeMul(*time, window_time_interval, |
264 | (x/(float)Drawing->width)); |
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265 | TimeAdd(*time, *window_time_begin, *time); |
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266 | |
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267 | } |
268 | |
269 | |
270 | |
271 | void convert_time_to_pixels( |
272 | LttTime window_time_begin, |
273 | LttTime window_time_end, |
274 | LttTime time, |
275 | Drawing_t *Drawing, |
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276 | guint *x) |
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277 | { |
278 | LttTime window_time_interval; |
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279 | float interval_float, time_float; |
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280 | |
281 | TimeSub(window_time_interval, window_time_end, window_time_begin); |
282 | |
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283 | TimeSub(time, time, window_time_begin); |
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284 | |
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285 | interval_float = (window_time_interval.tv_sec * NANSECOND_CONST) |
286 | + window_time_interval.tv_nsec; |
287 | time_float = (time.tv_sec * NANSECOND_CONST) |
288 | + time.tv_nsec; |
289 | |
290 | *x = (guint)(time_float/interval_float * Drawing->width); |
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291 | |
292 | } |
293 | |
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294 | void Drawing_Refresh ( Drawing_t *Drawing, |
295 | guint x, guint y, |
296 | guint width, guint height) |
297 | { |
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298 | GdkRectangle update_rect; |
299 | |
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300 | gdk_draw_drawable( |
301 | Drawing->Drawing_Area_V->window, |
302 | Drawing->Drawing_Area_V-> |
303 | style->fg_gc[GTK_WIDGET_STATE (Drawing->Drawing_Area_V)], |
304 | GDK_DRAWABLE(Drawing->Pixmap), |
305 | x, y, |
306 | x, y, |
307 | width, height); |
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308 | |
309 | update_rect.x = 0 ; |
310 | update_rect.y = 0 ; |
311 | update_rect.width = Drawing->width; |
312 | update_rect.height = Drawing->height ; |
313 | gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect); |
314 | |
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315 | } |
316 | |
317 | |
318 | void Drawing_draw_line( Drawing_t *Drawing, |
319 | GdkPixmap *Pixmap, |
320 | guint x1, guint y1, |
321 | guint x2, guint y2, |
322 | GdkGC *GC) |
323 | { |
324 | gdk_draw_line (Pixmap, |
325 | GC, |
326 | x1, y1, x2, y2); |
327 | } |
328 | |
329 | |
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330 | |
331 | |
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332 | void Drawing_Resize(Drawing_t *Drawing, guint h, guint w) |
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333 | { |
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334 | Drawing->height = h ; |
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335 | Drawing->width = w ; |
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336 | |
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337 | gtk_widget_set_size_request ( Drawing->Drawing_Area_V, |
338 | Drawing->width, |
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339 | Drawing->height); |
340 | |
341 | |
342 | } |
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343 | |
344 | |
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345 | /* Insert a square corresponding to a new process in the list */ |
346 | /* Applies to whole Drawing->width */ |
347 | void Drawing_Insert_Square(Drawing_t *Drawing, |
348 | guint y, |
349 | guint height) |
350 | { |
351 | GdkRectangle update_rect; |
352 | |
353 | /* Allocate a new pixmap with new height */ |
354 | GdkPixmap *Pixmap = gdk_pixmap_new(Drawing->Drawing_Area_V->window, |
355 | Drawing->width, |
356 | Drawing->height + height, |
357 | -1); |
358 | |
359 | /* Copy the high region */ |
360 | gdk_draw_drawable (Pixmap, |
361 | Drawing->Drawing_Area_V->style->black_gc, |
362 | Drawing->Pixmap, |
363 | 0, 0, |
364 | 0, 0, |
365 | Drawing->width, y); |
366 | |
367 | |
368 | |
369 | |
370 | /* add an empty square */ |
371 | gdk_draw_rectangle (Pixmap, |
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372 | Drawing->Drawing_Area_V->style->black_gc, |
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373 | TRUE, |
374 | 0, y, |
375 | Drawing->width, // do not overlap |
376 | height); |
377 | |
378 | |
379 | |
380 | /* copy the bottom of the region */ |
381 | gdk_draw_drawable (Pixmap, |
382 | Drawing->Drawing_Area_V->style->black_gc, |
383 | Drawing->Pixmap, |
384 | 0, y, |
385 | 0, y + height, |
386 | Drawing->width, Drawing->height - y); |
387 | |
388 | |
389 | |
390 | |
391 | if (Drawing->Pixmap) |
392 | gdk_pixmap_unref(Drawing->Pixmap); |
393 | |
394 | Drawing->Pixmap = Pixmap; |
395 | |
396 | Drawing->height+=height; |
397 | |
398 | /* Rectangle to update, from new Drawing dimensions */ |
399 | update_rect.x = 0 ; |
400 | update_rect.y = y ; |
401 | update_rect.width = Drawing->width; |
402 | update_rect.height = Drawing->height - y ; |
403 | gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect); |
404 | } |
405 | |
406 | |
407 | /* Remove a square corresponding to a removed process in the list */ |
408 | void Drawing_Remove_Square(Drawing_t *Drawing, |
409 | guint y, |
410 | guint height) |
411 | { |
412 | GdkRectangle update_rect; |
413 | |
414 | /* Allocate a new pixmap with new height */ |
415 | GdkPixmap *Pixmap = gdk_pixmap_new( |
416 | Drawing->Drawing_Area_V->window, |
417 | Drawing->width, |
418 | Drawing->height - height, |
419 | -1); |
420 | |
421 | /* Copy the high region */ |
422 | gdk_draw_drawable (Pixmap, |
423 | Drawing->Drawing_Area_V->style->black_gc, |
424 | Drawing->Pixmap, |
425 | 0, 0, |
426 | 0, 0, |
427 | Drawing->width, y); |
428 | |
429 | |
430 | |
431 | /* Copy up the bottom of the region */ |
432 | gdk_draw_drawable (Pixmap, |
433 | Drawing->Drawing_Area_V->style->black_gc, |
434 | Drawing->Pixmap, |
435 | 0, y + height, |
436 | 0, y, |
437 | Drawing->width, Drawing->height - y - height); |
438 | |
439 | |
440 | if (Drawing->Pixmap) |
441 | gdk_pixmap_unref(Drawing->Pixmap); |
442 | |
443 | Drawing->Pixmap = Pixmap; |
444 | |
445 | Drawing->height-=height; |
446 | |
447 | /* Rectangle to update, from new Drawing dimensions */ |
448 | update_rect.x = 0 ; |
449 | update_rect.y = y ; |
450 | update_rect.width = Drawing->width; |
451 | update_rect.height = Drawing->height - y ; |
452 | gtk_widget_draw( Drawing->Drawing_Area_V, &update_rect); |
453 | } |