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1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2006 Parisa Heidari |
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 | #ifdef HAVE_CONFIG_H |
20 | #include <config.h> |
21 | #endif |
22 | |
23 | #include <gtk/gtk.h> |
24 | #include <glib.h> |
25 | #include <string.h> |
26 | #include <stdlib.h> |
27 | #include <math.h> |
28 | |
29 | #include "histobuttonwidget.h" |
30 | #include "histodrawing.h" |
31 | #include "histodrawitem.h" |
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32 | |
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33 | extern void histogram_show(HistoControlFlowData *histocontrol_flow_data, |
34 | guint draw_begin, guint draw_end); |
35 | |
36 | #ifndef g_info |
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37 | #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format) |
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38 | #endif |
39 | #ifndef g_debug |
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40 | #define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format) |
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41 | #endif |
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42 | |
43 | /* Preallocated Size of the index_to_pixmap array */ |
44 | #define ALLOCATE_PROCESSES 1000 |
45 | |
46 | /***************************************************************************** |
47 | * * |
48 | *****************************************************************************/ |
49 | static GtkWidget *xpm_label_box( gchar *xpm_filename, |
50 | gchar *label_text ); |
51 | static gboolean gplus( GtkWidget *widget,gpointer user_data) |
52 | { |
53 | HistoControlFlowData *histo_cfd = (HistoControlFlowData *)user_data; |
54 | //histo_cfd->vertical_ratio =histo_cfd->vertical_ratio * (1.0/2.0); |
55 | if(histo_cfd->max_height>1) |
56 | { |
57 | histo_cfd->max_height /= 2; |
58 | //just redraw.horizontal scale is not changed so Array's data are valid. |
59 | histogram_show(histo_cfd ,0,histo_cfd->number_of_process->len); |
60 | } |
61 | else |
62 | g_warning("Zoom more than 1 event is impossible"); |
63 | |
64 | histo_drawing_update_vertical_ruler(histo_cfd->drawing);//, TimeWindow *time_window); |
65 | return 0; |
66 | } |
67 | |
68 | static gboolean gMinus( GtkWidget *widget, |
69 | gpointer user_data ) |
70 | { |
71 | HistoControlFlowData *histo_cfd = (HistoControlFlowData *)user_data; |
72 | histo_cfd->max_height *= 2; |
73 | |
74 | //just redraw.horizontal scale is not changed so Array's data are valid. |
75 | histogram_show(histo_cfd ,0,histo_cfd->number_of_process->len); |
76 | histo_drawing_update_vertical_ruler(histo_cfd->drawing);//, TimeWindow *time_window); |
77 | return 0; |
78 | } |
79 | |
80 | static gboolean gFit( GtkWidget *widget, |
81 | gpointer user_data ) |
82 | { |
83 | /*find the maximum value and put max_height equal with this maximum*/ |
84 | HistoControlFlowData *histo_cfd = (HistoControlFlowData *)user_data; |
85 | gint i=1,x; |
86 | guint maximum; |
87 | maximum =g_array_index(histo_cfd->number_of_process,guint,i); |
88 | for (i=1; i < histo_cfd->number_of_process-> len ;i++) |
89 | { |
90 | x=g_array_index(histo_cfd->number_of_process,guint,i); |
91 | maximum=MAX(x,maximum); |
92 | } |
93 | if (maximum >0) |
94 | { |
95 | histo_cfd->max_height=maximum; |
96 | histogram_show (histo_cfd,0,histo_cfd->number_of_process->len); |
97 | } |
98 | histo_drawing_update_vertical_ruler(histo_cfd->drawing); |
99 | |
100 | return 0; |
101 | } |
102 | /* Create a new hbox with an image and a label packed into it |
103 | * and return the box. */ |
104 | |
105 | static GtkWidget *xpm_label_box( gchar* xpm_filename, |
106 | gchar *label_text ) |
107 | { |
108 | GtkWidget *box; |
109 | GtkWidget *label; |
110 | GtkWidget *image; |
111 | |
112 | GdkPixbuf *pixbufP; |
113 | //GError **error; |
114 | /* Create box for image and label */ |
115 | box = gtk_hbox_new (FALSE, 0); |
116 | gtk_container_set_border_width (GTK_CONTAINER (box), 1); |
117 | |
118 | /* Now on to the image stuff */ |
119 | |
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120 | pixbufP = gdk_pixbuf_new_from_xpm_data((const char **)&xpm_filename); |
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121 | image = gtk_image_new_from_pixbuf(pixbufP); |
122 | |
123 | /* Create a label for the button */ |
124 | label = gtk_label_new (label_text); |
125 | |
126 | /* Pack the image and label into the box */ |
127 | gtk_box_pack_start (GTK_BOX (box), image, FALSE, FALSE, 1); |
128 | gtk_box_pack_start (GTK_BOX (box), label, FALSE, FALSE, 1); |
129 | |
130 | gtk_widget_show (image); |
131 | gtk_widget_show (label); |
132 | |
133 | return box; |
134 | } |
135 | |
136 | ButtonWidget *histo_buttonwidget_construct(HistoControlFlowData *histocontrol_flow_data) |
137 | { |
138 | GtkWidget *boxPlus, *boxMinus , *boxfit;//containing text and image for each button. |
139 | |
140 | ButtonWidget *buttonwidget = g_new(ButtonWidget,1); |
141 | buttonwidget->histo_control_flow_data = histocontrol_flow_data; |
142 | /* Put + and - on the vbox and assign related functions to each button */ |
143 | buttonwidget-> vbox1 = gtk_vbox_new (FALSE, 0); |
144 | |
145 | // Add 2 buttons on the vbox |
146 | // buttonwidget ->buttonP = gtk_button_new_with_mnemonic ("+"); |
147 | // buttonwidget->buttonM = gtk_button_new_with_mnemonic ("-"); |
148 | // Instead, add 2 button with image and text: |
149 | |
150 | buttonwidget ->buttonP =gtk_button_new (); |
151 | buttonwidget ->buttonM =gtk_button_new (); |
152 | buttonwidget ->buttonFit =gtk_button_new (); |
153 | |
154 | /* This calls our box creating function */ |
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155 | boxPlus = xpm_label_box ("stock_zoom_in_24.xpm", "vertical"); |
156 | boxMinus = xpm_label_box ("stock_zoom_out_24.xpm", "vertical"); |
157 | boxfit = xpm_label_box ("stock_zoom_fit_24.xpm", "vertical"); |
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158 | |
159 | /* Pack and show all widgets */ |
160 | gtk_widget_show (boxPlus); |
161 | gtk_widget_show (boxMinus); |
162 | gtk_widget_show (boxfit); |
163 | |
164 | gtk_container_add (GTK_CONTAINER (buttonwidget -> buttonP), boxPlus); |
165 | gtk_container_add (GTK_CONTAINER (buttonwidget -> buttonM), boxMinus); |
166 | gtk_container_add (GTK_CONTAINER (buttonwidget -> buttonFit), boxfit); |
167 | |
168 | gtk_box_pack_start (GTK_BOX (buttonwidget->vbox1),buttonwidget->buttonP, TRUE, FALSE, 0); |
169 | gtk_box_pack_start (GTK_BOX (buttonwidget->vbox1),buttonwidget->buttonM, TRUE, FALSE, 0); |
170 | gtk_box_pack_end (GTK_BOX (buttonwidget->vbox1),buttonwidget->buttonFit, TRUE, FALSE, 0); |
171 | |
172 | /* When the button receives the "clicked" signal, it will call the |
173 | * function gplus() passing it NULL as its argument. The gplus() |
174 | * function is defined above . */ |
175 | |
176 | g_signal_connect (G_OBJECT (buttonwidget ->buttonP), "clicked", |
177 | G_CALLBACK (gplus), (gpointer)histocontrol_flow_data); |
178 | g_signal_connect (G_OBJECT ( buttonwidget->buttonM), "clicked", |
179 | G_CALLBACK (gMinus), (gpointer)histocontrol_flow_data); |
180 | g_signal_connect (G_OBJECT ( buttonwidget->buttonFit), "clicked", |
181 | G_CALLBACK (gFit), (gpointer)histocontrol_flow_data); |
182 | |
183 | gtk_widget_show (buttonwidget -> vbox1); |
184 | gtk_widget_show (buttonwidget ->buttonP); |
185 | gtk_widget_show (buttonwidget ->buttonM); |
186 | gtk_widget_show (buttonwidget ->buttonFit); |
187 | |
188 | return buttonwidget; |
189 | } |
190 | |
191 | void histo_buttonwidget_destroy(ButtonWidget *buttonwidget) |
192 | { |
193 | g_debug("buttonwidget_destroy %p", buttonwidget); |
194 | |
195 | g_free(buttonwidget); |
196 | g_debug("buttonwidget_destroy end"); |
197 | } |
198 | |
199 | GtkWidget *histo_buttonwidget_get_widget(ButtonWidget *button_widget) |
200 | { |
201 | return button_widget->vbox1; |
202 | } |
203 | |
204 | |
205 | |
206 | void histo_rectangle_pixmap (GdkGC *gc, |
207 | gboolean filled, gint x, gint y, gint width, gint height, |
208 | histoDrawing_t *value) |
209 | { |
210 | if(height == -1) |
211 | height = value->drawing_area->allocation.height; |
212 | if(width == -1) |
213 | height = value->drawing_area->allocation.width; |
214 | gdk_draw_rectangle (value->pixmap, |
215 | gc, |
216 | filled, |
217 | x, y, |
218 | width, height); |
219 | } |
220 | |
221 | //This could be usefull if a vertical scroll bar is added to viewer: |
222 | void histo_copy_pixmap_region(histoDrawing_t *drawing,GdkDrawable *dest, |
223 | GdkGC *gc, GdkDrawable *src, |
224 | gint xsrc, gint ysrc, |
225 | gint xdest, gint ydest, gint width, gint height) |
226 | { |
227 | |
228 | if(dest == NULL) |
229 | dest = drawing->pixmap; |
230 | if(src == NULL) |
231 | src = drawing->pixmap; |
232 | |
233 | gdk_draw_drawable (dest,gc,src,xsrc, ysrc, |
234 | xdest, ydest,width, height); |
235 | } |
236 | |
237 | void histo_update_pixmap_size(histoDrawing_t *value, |
238 | guint width) |
239 | { |
240 | GdkPixmap *old_pixmap = value->pixmap; |
241 | |
242 | value->pixmap = |
243 | gdk_pixmap_new(old_pixmap, |
244 | width, |
245 | value->height, |
246 | -1); |
247 | |
248 | gdk_pixmap_unref(old_pixmap); |
249 | } |
250 | |