ce0214a6 |
1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2003-2004 Mathieu Desnoyers |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License Version 2 as |
6 | * published by the Free Software Foundation; |
7 | * |
8 | * This program is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
11 | * GNU General Public License for more details. |
12 | * |
13 | * You should have received a copy of the GNU General Public License |
14 | * along with this program; if not, write to the Free Software |
15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
16 | * MA 02111-1307, USA. |
17 | */ |
18 | |
19 | |
b782dd11 |
20 | #ifndef _DRAW_ITEM_H |
21 | #define _DRAW_ITEM_H |
22 | |
8b90e648 |
23 | #include <lttv/state.h> |
24 | |
b782dd11 |
25 | typedef struct _DrawContext DrawContext; |
26 | typedef struct _DrawInfo DrawInfo; |
27 | typedef struct _ItemInfo ItemInfo; |
28 | |
1a31868c |
29 | typedef struct _IconStruct IconStruct; |
30 | |
b782dd11 |
31 | typedef struct _DrawOperation DrawOperation; |
32 | |
33 | |
34 | typedef struct _PropertiesText PropertiesText; |
35 | typedef struct _PropertiesIcon PropertiesIcon; |
36 | typedef struct _PropertiesLine PropertiesLine; |
37 | typedef struct _PropertiesArc PropertiesArc; |
38 | typedef struct _PropertiesBG PropertiesBG; |
39 | |
09e2606f |
40 | typedef enum _DrawableItems DrawableItems; |
41 | enum _DrawableItems { |
a56a1ba4 |
42 | ITEM_TEXT, ITEM_ICON, ITEM_LINE, ITEM_POINT, ITEM_BACKGROUND |
09e2606f |
43 | }; |
44 | |
e800cf84 |
45 | typedef enum _RelPosX { |
46 | POS_START, POS_END |
47 | } RelPosX; |
09e2606f |
48 | |
e800cf84 |
49 | typedef enum _RelPosY { |
a56a1ba4 |
50 | OVER, MIDDLE, UNDER |
e800cf84 |
51 | } RelPosY; |
09e2606f |
52 | |
b782dd11 |
53 | |
8d088fb2 |
54 | /* The DrawContext keeps information about the current drawing position and |
55 | * the previous one, so we can use both to draw lines. |
56 | * |
57 | * over : position for drawing over the middle line. |
58 | * middle : middle line position. |
59 | * under : position for drawing under the middle line. |
60 | * |
61 | * the modify_* are used to take into account that we should go forward |
62 | * when we draw a text, an arc or an icon, while it's unneeded when we |
63 | * draw a line or background. |
64 | * |
c8bba5fa |
65 | * The modify_* positions are altered by the draw item functions. |
66 | * |
8d088fb2 |
67 | */ |
80a52ff8 |
68 | |
69 | |
8d088fb2 |
70 | struct _DrawContext { |
a56a1ba4 |
71 | GdkDrawable *drawable; |
72 | GdkGC *gc; |
73 | PangoLayout *pango_layout; |
8d088fb2 |
74 | |
c8bba5fa |
75 | struct { |
e800cf84 |
76 | struct { |
77 | gint x; |
78 | struct { |
79 | gint over; |
80 | gint middle; |
81 | gint under; |
82 | } offset; |
83 | } start; |
84 | |
85 | struct { |
86 | gint x; |
87 | struct { |
88 | gint over; |
89 | gint middle; |
90 | gint under; |
91 | } offset; |
92 | } end; |
93 | |
94 | struct { |
95 | gint over; |
96 | gint middle; |
97 | gint under; |
98 | } y; |
8d088fb2 |
99 | |
c8bba5fa |
100 | } drawinfo; |
80a52ff8 |
101 | }; |
102 | |
c8bba5fa |
103 | |
104 | |
105 | |
8d088fb2 |
106 | /* |
107 | * Structure used to keep information about icons. |
108 | */ |
109 | struct _IconStruct { |
a56a1ba4 |
110 | GdkPixmap *pixmap; |
111 | GdkBitmap *mask; |
8d088fb2 |
112 | }; |
113 | |
114 | |
115 | /* |
116 | * The Item element is only used so the DrawOperation is modifiable by users. |
117 | * During drawing, only the Hook is needed. |
118 | */ |
119 | struct _DrawOperation { |
68997a22 |
120 | DrawableItems item; |
121 | LttvHooks *hook; |
8d088fb2 |
122 | }; |
123 | |
124 | /* |
125 | * We define here each items that can be drawn, together with their |
126 | * associated priority. Many item types can have the same priority, |
127 | * it's only used for quicksorting the operations when we add a new one |
128 | * to the array of operations to perform. Lower priorities are executed |
129 | * first. So, for example, we may want to give background color a value |
130 | * of 10 while a line would have 20, so the background color, which |
131 | * is in fact a rectangle, does not hide the line. |
132 | */ |
133 | |
134 | static int Items_Priorities[] = { |
a56a1ba4 |
135 | 50, /* ITEM_TEXT */ |
136 | 40, /* ITEM_ICON */ |
137 | 20, /* ITEM_LINE */ |
138 | 30, /* ITEM_POINT */ |
139 | 10 /* ITEM_BACKGROUND */ |
8d088fb2 |
140 | }; |
141 | |
142 | /* |
143 | * Here are the different structures describing each item type that can be |
144 | * drawn. They contain the information necessary to draw the item : not the |
145 | * position (this is provided by the DrawContext), but the text, icon name, |
146 | * line width, color; all the properties of the specific items. |
147 | */ |
148 | |
149 | struct _PropertiesText { |
a56a1ba4 |
150 | GdkColor *foreground; |
151 | GdkColor *background; |
e800cf84 |
152 | gint size; |
153 | gchar *text; |
154 | struct { |
155 | RelPosX x; |
156 | RelPosY y; |
157 | } position; |
8d088fb2 |
158 | }; |
159 | |
160 | |
161 | struct _PropertiesIcon { |
a56a1ba4 |
162 | gchar *icon_name; |
163 | gint width; |
164 | gint height; |
e800cf84 |
165 | struct { |
166 | RelPosX x; |
167 | RelPosY y; |
168 | } position; |
8d088fb2 |
169 | }; |
170 | |
171 | struct _PropertiesLine { |
c8bba5fa |
172 | GdkColor color; |
a56a1ba4 |
173 | gint line_width; |
174 | GdkLineStyle style; |
e800cf84 |
175 | RelPosY y; |
8d088fb2 |
176 | }; |
177 | |
178 | struct _PropertiesArc { |
a56a1ba4 |
179 | GdkColor *color; |
180 | gint size; /* We force circle by width = height */ |
181 | gboolean filled; |
e800cf84 |
182 | struct { |
183 | RelPosX x; |
184 | RelPosY y; |
185 | } position; |
8d088fb2 |
186 | }; |
187 | |
188 | struct _PropertiesBG { |
a56a1ba4 |
189 | GdkColor *color; |
8d088fb2 |
190 | }; |
191 | |
192 | |
193 | |
a56a1ba4 |
194 | void draw_item( GdkDrawable *drawable, |
195 | gint x, |
196 | gint y, |
197 | LttvTraceState *ts, |
198 | LttvTracefileState *tfs, |
199 | LttvIAttribute *attributes); |
b782dd11 |
200 | |
201 | /* |
202 | * The tree of attributes used to store drawing operations goes like this : |
203 | * |
204 | * event_types/ |
205 | * "facility-event_type" |
206 | * cpus/ |
207 | * "cpu name" |
208 | * mode_types/ |
209 | * "execution mode"/ |
210 | * submodes/ |
211 | * "submode" |
212 | * process_states/ |
213 | * "state name" |
214 | * |
215 | * So if, for example, we want to add a hook to get called each time we |
216 | * receive an event that is in state LTTV_STATE_SYSCALL, we put the |
217 | * pointer to the GArray of DrawOperation in |
218 | * process_states/ "name associated with LTTV_STATE_SYSCALL" |
219 | */ |
220 | |
e800cf84 |
221 | |
222 | #if 0 |
b782dd11 |
223 | /* |
4c69e0cc |
224 | * The add_operation has to do a quick sort by priority to keep the operations |
b782dd11 |
225 | * in the right order. |
226 | */ |
a56a1ba4 |
227 | void add_operation( LttvIAttribute *attributes, |
228 | gchar *pathname, |
68997a22 |
229 | DrawOperation *operation); |
b782dd11 |
230 | |
231 | /* |
4c69e0cc |
232 | * The del_operation seeks the array present at pathname (if any) and |
b782dd11 |
233 | * removes the DrawOperation if present. It returns 0 on success, -1 |
234 | * if it fails. |
235 | */ |
a56a1ba4 |
236 | gint del_operation( LttvIAttribute *attributes, |
237 | gchar *pathname, |
68997a22 |
238 | DrawOperation *operation); |
b782dd11 |
239 | |
240 | /* |
4c69e0cc |
241 | * The clean_operations removes all operations present at a pathname. |
b782dd11 |
242 | * returns 0 on success, -1 if it fails. |
243 | */ |
a56a1ba4 |
244 | gint clean_operations( LttvIAttribute *attributes, |
245 | gchar *pathname ); |
b782dd11 |
246 | |
247 | |
248 | /* |
4c69e0cc |
249 | * The list_operations gives a pointer to the operation array associated |
b782dd11 |
250 | * with the pathname. It will be NULL if no operation is present. |
251 | */ |
a56a1ba4 |
252 | void list_operations( LttvIAttribute *attributes, |
253 | gchar *pathname, |
68997a22 |
254 | GArray **operation); |
b782dd11 |
255 | |
256 | |
257 | |
258 | /* |
4c69e0cc |
259 | * exec_operation executes the operations if present in the attributes, or |
b782dd11 |
260 | * do nothing if not present. |
261 | */ |
a56a1ba4 |
262 | void exec_operations( LttvIAttribute *attributes, |
263 | gchar *pathname); |
e800cf84 |
264 | #endif //0 |
b782dd11 |
265 | |
266 | /* |
267 | * Here follow the prototypes of the hook functions used to draw the |
268 | * different items. |
269 | */ |
270 | |
31b6868d |
271 | __inline__ gboolean draw_text( void *hook_data, void *call_data); |
272 | __inline__ gboolean draw_icon( void *hook_data, void *call_data); |
273 | __inline__ gboolean draw_line( void *hook_data, void *call_data); |
274 | __inline__ gboolean draw_arc( void *hook_data, void *call_data); |
275 | __inline__ gboolean draw_bg( void *hook_data, void *call_data); |
b782dd11 |
276 | |
277 | |
278 | #endif // _DRAW_ITEM_H |