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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 | |
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20 | #ifndef _DRAWING_H |
21 | #define _DRAWING_H |
22 | |
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23 | #include <glib.h> |
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24 | #include <gdk/gdk.h> |
25 | #include <gtk/gtk.h> |
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26 | #include <ltt/ltt.h> |
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27 | #ifdef BABEL_CLEANUP |
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28 | #include <lttv/tracecontext.h> |
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29 | #endif //babel_cleanup |
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30 | #include <lttv/state.h> |
31 | #include <lttvwindow/lttvwindow.h> |
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32 | #include "cfv.h" |
33 | #include "drawitem.h" |
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34 | |
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35 | |
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36 | #define SAFETY 50 // safety pixels at right and bottom of pixmap buffer |
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37 | |
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38 | typedef enum _draw_color { |
39 | COL_BLACK, |
40 | COL_WHITE, |
41 | COL_RUN_USER_MODE,/* green */ |
42 | COL_RUN_SYSCALL, /* pale blue */ |
43 | COL_RUN_TRAP, /* yellow */ |
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44 | COL_RUN_IRQ, /* orange */ |
45 | COL_RUN_SOFT_IRQ, /* red */ |
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46 | COL_WAIT, /* dark red */ |
47 | COL_WAIT_CPU, /* dark yellow */ |
48 | COL_ZOMBIE, /* dark purple */ |
49 | COL_WAIT_FORK, /* dark green */ |
50 | COL_EXIT, /* "less dark" magenta */ |
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51 | COL_DEAD, /* black */ |
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52 | COL_MODE_UNKNOWN, /* white */ |
53 | COL_UNNAMED, /* white */ |
54 | NUM_COLORS } draw_color; |
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55 | |
56 | extern GdkColor drawing_colors[NUM_COLORS]; |
57 | |
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58 | /* This part of the viewer does : |
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59 | * Draw horizontal lines, getting graphic context as arg. |
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60 | * Copy region of the screen into another. |
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61 | * Modify the boundaries to reflect a scale change. (resize) |
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62 | * Refresh the physical screen with the pixmap |
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63 | * A helper function is provided here to convert from time to process |
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64 | * identifier to pixels and the contrary (will be useful for mouse selection). |
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65 | * Insert an empty square in the drawing, moving the bottom part. |
66 | * |
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67 | * Note: The last point is exactly why it would not be so easy to add the |
68 | * vertical line functionnality as in the original version of LTT. In order |
69 | * to do so, we should keep all processes in the list for the duration of |
70 | * all the trace instead of dynamically adding and removing them when we |
71 | * scroll. Another possibility is to redraw all the visible area when a new |
72 | * process is added to the list. The second solution seems more appropriate |
73 | * to me. |
74 | * |
75 | * |
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76 | * The pixmap used has the width of the physical window, but the height |
77 | * of the shown processes. |
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78 | */ |
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79 | |
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80 | #ifndef TYPE_DRAWING_T_DEFINED |
81 | #define TYPE_DRAWING_T_DEFINED |
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82 | typedef struct _Drawing_t Drawing_t; |
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83 | #endif //TYPE_DRAWING_T_DEFINED |
84 | |
85 | #ifndef TYPE_CONTROLFLOWDATA_DEFINED |
86 | #define TYPE_CONTROLFLOWDATA_DEFINED |
87 | typedef struct _ControlFlowData ControlFlowData; |
88 | #endif //TYPE_CONTROLFLOWDATA_DEFINED |
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89 | |
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90 | struct _Drawing_t { |
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91 | GtkWidget *vbox; |
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92 | GtkWidget *drawing_area; |
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93 | //GtkWidget *scrolled_window; |
94 | GtkWidget *hbox; |
95 | GtkWidget *viewport; |
96 | GtkWidget *scrollbar; |
97 | |
98 | GtkWidget *ruler_hbox; |
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99 | GtkWidget *ruler; |
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100 | GtkWidget *padding; |
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101 | //GdkPixmap *pixmap; |
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102 | ControlFlowData *control_flow_data; |
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103 | |
104 | PangoLayout *pango_layout; |
105 | |
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106 | gint height, width, depth; |
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107 | /* height and width of allocated buffer pixmap */ |
108 | gint alloc_height, alloc_width; |
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109 | |
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110 | /* X coordinate of damaged region */ |
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111 | gint damage_begin, damage_end; /* damaged region to be exposed, |
112 | updated per chunk */ |
113 | LttTime last_start; |
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114 | GdkGC *dotted_gc; |
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115 | GdkGC *gc; |
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116 | GdkGC *ruler_gc_butt; |
117 | GdkGC *ruler_gc_round; |
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118 | |
119 | /* Position of the horizontal selector, -1 for none */ |
120 | gint horizontal_sel; |
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121 | }; |
122 | |
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123 | Drawing_t *drawing_construct(ControlFlowData *control_flow_data); |
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124 | void drawing_destroy(Drawing_t *drawing); |
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125 | |
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126 | GtkWidget *drawing_get_widget(Drawing_t *drawing); |
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127 | GtkWidget *drawing_get_drawing_area(Drawing_t *drawing); |
128 | |
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129 | |
130 | void drawing_data_request(Drawing_t *drawing, |
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131 | gint x, gint y, |
132 | gint width, |
133 | gint height); |
134 | |
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135 | void drawing_draw_line( Drawing_t *drawing, |
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136 | GdkPixmap *pixmap, |
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137 | guint x1, guint y1, |
138 | guint x2, guint y2, |
139 | GdkGC *GC); |
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140 | |
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141 | //void drawing_copy( Drawing_t *drawing, |
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142 | // guint xsrc, guint ysrc, |
143 | // guint xdest, guint ydest, |
144 | // guint width, guint height); |
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145 | |
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146 | /* Clear the drawing : make it 1xwidth. */ |
147 | void drawing_clear(Drawing_t *drawing); |
148 | |
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149 | /* Insert a square corresponding to a new process in the list */ |
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150 | void drawing_insert_square(Drawing_t *drawing, |
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151 | guint y, |
152 | guint height); |
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153 | |
154 | /* Remove a square corresponding to a removed process in the list */ |
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155 | void drawing_remove_square(Drawing_t *drawing, |
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156 | guint y, |
157 | guint height); |
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158 | |
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159 | void drawing_update_ruler(Drawing_t *drawing, TimeWindow *time_window); |
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160 | #ifdef BABEL_CLEANUP |
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161 | void drawing_request_expose(EventsRequest *events_request, |
162 | LttvTracesetState *tss, |
163 | LttTime end_time); |
164 | |
165 | void drawing_data_request_begin(EventsRequest *events_request, |
166 | LttvTracesetState *tss); |
167 | void drawing_chunk_begin(EventsRequest *events_request, LttvTracesetState *tss); |
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168 | #endif //babel_cleanup |
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169 | |
170 | |
171 | void |
172 | tree_row_activated(GtkTreeModel *treemodel, |
173 | GtkTreePath *arg1, |
174 | GtkTreeViewColumn *arg2, |
175 | gpointer user_data); |
176 | |
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177 | |
178 | /* convert_pixels_to_time |
179 | * |
180 | * Convert from window pixel and time interval to an absolute time. |
181 | */ |
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182 | static inline void convert_pixels_to_time( |
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183 | gint width, |
184 | guint x, |
185 | TimeWindow time_window, |
186 | LttTime *time) |
187 | { |
188 | double time_d; |
189 | |
190 | time_d = time_window.time_width_double; |
191 | time_d = time_d / (double)width * (double)x; |
192 | *time = ltt_time_from_double(time_d); |
193 | *time = ltt_time_add(time_window.start_time, *time); |
194 | } |
195 | |
196 | |
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197 | static inline void convert_time_to_pixels( |
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198 | TimeWindow time_window, |
199 | LttTime time, |
200 | int width, |
201 | guint *x) |
202 | { |
203 | double time_d; |
204 | #ifdef EXTRA_CHECK |
205 | g_assert(ltt_time_compare(window_time_begin, time) <= 0 && |
206 | ltt_time_compare(window_time_end, time) >= 0); |
207 | #endif //EXTRA_CHECK |
208 | |
209 | time = ltt_time_sub(time, time_window.start_time); |
210 | |
211 | time_d = ltt_time_to_double(time); |
212 | |
213 | if(time_window.time_width_double == 0.0) { |
214 | g_assert(time_d == 0.0); |
215 | *x = 0; |
216 | } else { |
217 | *x = (guint)(time_d / time_window.time_width_double * (double)width); |
218 | } |
219 | |
220 | } |
221 | |
222 | |
223 | |
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224 | #endif // _DRAWING_H |