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