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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 | |
b9ce0bad YB |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
16 | * MA 02110-1301, USA. | |
ce0214a6 | 17 | */ |
18 | ||
19 | ||
b782dd11 | 20 | #ifndef _DRAW_ITEM_H |
21 | #define _DRAW_ITEM_H | |
22 | ||
8b90e648 | 23 | #include <lttv/state.h> |
88bf15f0 | 24 | #include <lttv/hook.h> |
8b90e648 | 25 | |
b782dd11 | 26 | typedef struct _DrawContext DrawContext; |
27 | typedef struct _DrawInfo DrawInfo; | |
28 | typedef struct _ItemInfo ItemInfo; | |
29 | ||
1a31868c | 30 | typedef struct _IconStruct IconStruct; |
31 | ||
b782dd11 | 32 | typedef struct _DrawOperation DrawOperation; |
33 | ||
34 | ||
35 | typedef struct _PropertiesText PropertiesText; | |
36 | typedef struct _PropertiesIcon PropertiesIcon; | |
37 | typedef struct _PropertiesLine PropertiesLine; | |
38 | typedef struct _PropertiesArc PropertiesArc; | |
39 | typedef struct _PropertiesBG PropertiesBG; | |
40 | ||
09e2606f | 41 | typedef enum _DrawableItems DrawableItems; |
42 | enum _DrawableItems { | |
a56a1ba4 | 43 | ITEM_TEXT, ITEM_ICON, ITEM_LINE, ITEM_POINT, ITEM_BACKGROUND |
09e2606f | 44 | }; |
45 | ||
e800cf84 | 46 | typedef enum _RelPosX { |
47 | POS_START, POS_END | |
48 | } RelPosX; | |
09e2606f | 49 | |
e800cf84 | 50 | typedef enum _RelPosY { |
a56a1ba4 | 51 | OVER, MIDDLE, UNDER |
e800cf84 | 52 | } RelPosY; |
09e2606f | 53 | |
b782dd11 | 54 | |
8d088fb2 | 55 | /* The DrawContext keeps information about the current drawing position and |
56 | * the previous one, so we can use both to draw lines. | |
57 | * | |
58 | * over : position for drawing over the middle line. | |
59 | * middle : middle line position. | |
60 | * under : position for drawing under the middle line. | |
61 | * | |
62 | * the modify_* are used to take into account that we should go forward | |
63 | * when we draw a text, an arc or an icon, while it's unneeded when we | |
64 | * draw a line or background. | |
65 | * | |
c8bba5fa | 66 | * The modify_* positions are altered by the draw item functions. |
67 | * | |
8d088fb2 | 68 | */ |
80a52ff8 | 69 | |
70 | ||
8d088fb2 | 71 | struct _DrawContext { |
a56a1ba4 | 72 | GdkDrawable *drawable; |
73 | GdkGC *gc; | |
74 | PangoLayout *pango_layout; | |
8d088fb2 | 75 | |
c8bba5fa | 76 | struct { |
e800cf84 | 77 | struct { |
78 | gint x; | |
79 | struct { | |
80 | gint over; | |
81 | gint middle; | |
82 | gint under; | |
83 | } offset; | |
84 | } start; | |
85 | ||
86 | struct { | |
87 | gint x; | |
88 | struct { | |
89 | gint over; | |
90 | gint middle; | |
91 | gint under; | |
92 | } offset; | |
93 | } end; | |
94 | ||
95 | struct { | |
96 | gint over; | |
97 | gint middle; | |
98 | gint under; | |
99 | } y; | |
8d088fb2 | 100 | |
c8bba5fa | 101 | } drawinfo; |
80a52ff8 | 102 | }; |
103 | ||
c8bba5fa | 104 | |
105 | ||
106 | ||
8d088fb2 | 107 | /* |
108 | * Structure used to keep information about icons. | |
109 | */ | |
110 | struct _IconStruct { | |
a56a1ba4 | 111 | GdkPixmap *pixmap; |
112 | GdkBitmap *mask; | |
8d088fb2 | 113 | }; |
114 | ||
115 | ||
116 | /* | |
117 | * The Item element is only used so the DrawOperation is modifiable by users. | |
118 | * During drawing, only the Hook is needed. | |
119 | */ | |
120 | struct _DrawOperation { | |
68997a22 | 121 | DrawableItems item; |
122 | LttvHooks *hook; | |
8d088fb2 | 123 | }; |
2eef04b5 | 124 | #if 0 |
8d088fb2 | 125 | /* |
126 | * We define here each items that can be drawn, together with their | |
127 | * associated priority. Many item types can have the same priority, | |
128 | * it's only used for quicksorting the operations when we add a new one | |
129 | * to the array of operations to perform. Lower priorities are executed | |
130 | * first. So, for example, we may want to give background color a value | |
131 | * of 10 while a line would have 20, so the background color, which | |
132 | * is in fact a rectangle, does not hide the line. | |
133 | */ | |
134 | ||
135 | static int Items_Priorities[] = { | |
a56a1ba4 | 136 | 50, /* ITEM_TEXT */ |
137 | 40, /* ITEM_ICON */ | |
138 | 20, /* ITEM_LINE */ | |
139 | 30, /* ITEM_POINT */ | |
140 | 10 /* ITEM_BACKGROUND */ | |
8d088fb2 | 141 | }; |
2eef04b5 | 142 | #endif //0 |
8d088fb2 | 143 | |
144 | /* | |
145 | * Here are the different structures describing each item type that can be | |
146 | * drawn. They contain the information necessary to draw the item : not the | |
147 | * position (this is provided by the DrawContext), but the text, icon name, | |
148 | * line width, color; all the properties of the specific items. | |
149 | */ | |
150 | ||
151 | struct _PropertiesText { | |
a56a1ba4 | 152 | GdkColor *foreground; |
153 | GdkColor *background; | |
e800cf84 | 154 | gint size; |
155 | gchar *text; | |
156 | struct { | |
157 | RelPosX x; | |
158 | RelPosY y; | |
159 | } position; | |
8d088fb2 | 160 | }; |
161 | ||
162 | ||
163 | struct _PropertiesIcon { | |
a56a1ba4 | 164 | gchar *icon_name; |
165 | gint width; | |
166 | gint height; | |
e800cf84 | 167 | struct { |
168 | RelPosX x; | |
169 | RelPosY y; | |
170 | } position; | |
8d088fb2 | 171 | }; |
172 | ||
173 | struct _PropertiesLine { | |
c8bba5fa | 174 | GdkColor color; |
a56a1ba4 | 175 | gint line_width; |
176 | GdkLineStyle style; | |
e800cf84 | 177 | RelPosY y; |
8d088fb2 | 178 | }; |
179 | ||
180 | struct _PropertiesArc { | |
a56a1ba4 | 181 | GdkColor *color; |
182 | gint size; /* We force circle by width = height */ | |
183 | gboolean filled; | |
e800cf84 | 184 | struct { |
185 | RelPosX x; | |
186 | RelPosY y; | |
187 | } position; | |
8d088fb2 | 188 | }; |
189 | ||
190 | struct _PropertiesBG { | |
a56a1ba4 | 191 | GdkColor *color; |
8d088fb2 | 192 | }; |
193 | ||
194 | ||
195 | ||
a56a1ba4 | 196 | void draw_item( GdkDrawable *drawable, |
197 | gint x, | |
198 | gint y, | |
199 | LttvTraceState *ts, | |
200 | LttvTracefileState *tfs, | |
201 | LttvIAttribute *attributes); | |
b782dd11 | 202 | |
203 | /* | |
204 | * The tree of attributes used to store drawing operations goes like this : | |
205 | * | |
206 | * event_types/ | |
207 | * "facility-event_type" | |
208 | * cpus/ | |
209 | * "cpu name" | |
210 | * mode_types/ | |
211 | * "execution mode"/ | |
212 | * submodes/ | |
213 | * "submode" | |
214 | * process_states/ | |
215 | * "state name" | |
216 | * | |
217 | * So if, for example, we want to add a hook to get called each time we | |
218 | * receive an event that is in state LTTV_STATE_SYSCALL, we put the | |
219 | * pointer to the GArray of DrawOperation in | |
220 | * process_states/ "name associated with LTTV_STATE_SYSCALL" | |
221 | */ | |
222 | ||
e800cf84 | 223 | |
224 | #if 0 | |
b782dd11 | 225 | /* |
4c69e0cc | 226 | * The add_operation has to do a quick sort by priority to keep the operations |
b782dd11 | 227 | * in the right order. |
228 | */ | |
a56a1ba4 | 229 | void add_operation( LttvIAttribute *attributes, |
230 | gchar *pathname, | |
68997a22 | 231 | DrawOperation *operation); |
b782dd11 | 232 | |
233 | /* | |
4c69e0cc | 234 | * The del_operation seeks the array present at pathname (if any) and |
b782dd11 | 235 | * removes the DrawOperation if present. It returns 0 on success, -1 |
236 | * if it fails. | |
237 | */ | |
a56a1ba4 | 238 | gint del_operation( LttvIAttribute *attributes, |
239 | gchar *pathname, | |
68997a22 | 240 | DrawOperation *operation); |
b782dd11 | 241 | |
242 | /* | |
4c69e0cc | 243 | * The clean_operations removes all operations present at a pathname. |
b782dd11 | 244 | * returns 0 on success, -1 if it fails. |
245 | */ | |
a56a1ba4 | 246 | gint clean_operations( LttvIAttribute *attributes, |
247 | gchar *pathname ); | |
b782dd11 | 248 | |
249 | ||
250 | /* | |
4c69e0cc | 251 | * The list_operations gives a pointer to the operation array associated |
b782dd11 | 252 | * with the pathname. It will be NULL if no operation is present. |
253 | */ | |
a56a1ba4 | 254 | void list_operations( LttvIAttribute *attributes, |
255 | gchar *pathname, | |
68997a22 | 256 | GArray **operation); |
b782dd11 | 257 | |
258 | ||
259 | ||
260 | /* | |
4c69e0cc | 261 | * exec_operation executes the operations if present in the attributes, or |
b782dd11 | 262 | * do nothing if not present. |
263 | */ | |
a56a1ba4 | 264 | void exec_operations( LttvIAttribute *attributes, |
265 | gchar *pathname); | |
e800cf84 | 266 | #endif //0 |
b782dd11 | 267 | |
268 | /* | |
269 | * Here follow the prototypes of the hook functions used to draw the | |
270 | * different items. | |
271 | */ | |
272 | ||
6550d711 | 273 | gboolean draw_text( void *hook_data, void *call_data); |
274 | gboolean draw_icon( void *hook_data, void *call_data); | |
275 | gboolean draw_line( void *hook_data, void *call_data); | |
276 | gboolean draw_arc( void *hook_data, void *call_data); | |
277 | gboolean draw_bg( void *hook_data, void *call_data); | |
b782dd11 | 278 | |
279 | ||
280 | #endif // _DRAW_ITEM_H |