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1 /* |
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2 * @file gtkcellrendererprogress.c GTK+ Cell Renderer Progress |
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3 * @ingroup gtkui |
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4 * |
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5 * gaim |
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6 * |
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7 * Gaim is the legal property of its developers, whose names are too numerous |
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8 * to list here. Please refer to the COPYRIGHT file distributed with this |
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9 * source distribution. |
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10 * |
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11 * This program is free software; you can redistribute it and/or modify |
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12 * it under the terms of the GNU General Public License as published by |
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13 * the Free Software Foundation; either version 2 of the License, or |
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14 * (at your option) any later version. |
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15 * |
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16 * This program is distributed in the hope that it will be useful, |
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17 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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19 * GNU General Public License for more details. |
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20 * |
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21 * You should have received a copy of the GNU General Public License |
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22 * along with this program; if not, write to the Free Software |
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23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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24 * |
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25 */ |
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26 |
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27 /* This is taken largely from GtkCellRenderer[Text|Pixbuf|Toggle] by |
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28 * Jonathon Blandford <jrb@redhat.com> for RedHat, Inc. |
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29 */ |
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30 |
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31 #include "gtkcellrendererprogress.h" |
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32 |
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33 static void gaim_gtk_cell_renderer_progress_get_property (GObject *object, |
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34 guint param_id, |
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35 GValue *value, |
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36 GParamSpec *pspec); |
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37 static void gaim_gtk_cell_renderer_progress_set_property (GObject *object, |
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38 guint param_id, |
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39 const GValue *value, |
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40 GParamSpec *pspec); |
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41 static void gaim_gtk_cell_renderer_progress_init (GaimGtkCellRendererProgress *cellprogress); |
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42 static void gaim_gtk_cell_renderer_progress_class_init (GaimGtkCellRendererProgressClass *class); |
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43 static void gaim_gtk_cell_renderer_progress_get_size (GtkCellRenderer *cell, |
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44 GtkWidget *widget, |
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45 GdkRectangle *cell_area, |
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46 gint *x_offset, |
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47 gint *y_offset, |
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48 gint *width, |
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49 gint *height); |
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50 static void gaim_gtk_cell_renderer_progress_render (GtkCellRenderer *cell, |
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51 GdkWindow *window, |
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52 GtkWidget *widget, |
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53 GdkRectangle *background_area, |
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54 GdkRectangle *cell_area, |
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55 GdkRectangle *expose_area, |
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56 guint flags); |
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57 #if 0 |
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58 static gboolean gaim_gtk_cell_renderer_progress_activate (GtkCellRenderer *cell, |
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59 GdkEvent *event, |
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60 GtkWidget *widget, |
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61 const gchar *path, |
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62 GdkRectangle *background_area, |
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63 GdkRectangle *cell_area, |
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64 guint flags); |
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65 #endif |
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66 static void gaim_gtk_cell_renderer_progress_finalize (GObject *gobject); |
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67 |
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68 enum { |
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69 LAST_SIGNAL |
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70 }; |
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71 |
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72 enum { |
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73 PROP_0, |
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74 PROP_PERCENTAGE, |
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75 PROP_TEXT, |
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76 PROP_SHOW_TEXT |
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77 }; |
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78 |
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79 static gpointer parent_class; |
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80 /* static guint progress_cell_renderer_signals [LAST_SIGNAL]; */ |
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81 |
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82 GType gaim_gtk_cell_renderer_progress_get_type (void) |
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83 { |
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84 static GType cell_progress_type = 0; |
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85 |
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86 if (!cell_progress_type) |
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87 { |
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88 static const GTypeInfo cell_progress_info = |
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89 { |
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90 sizeof (GaimGtkCellRendererProgressClass), |
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91 NULL, /* base_init */ |
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92 NULL, /* base_finalize */ |
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93 (GClassInitFunc) gaim_gtk_cell_renderer_progress_class_init, |
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94 NULL, /* class_finalize */ |
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95 NULL, /* class_data */ |
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96 sizeof (GaimGtkCellRendererProgress), |
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97 0, /* n_preallocs */ |
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98 (GInstanceInitFunc) gaim_gtk_cell_renderer_progress_init, |
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99 NULL /* value_table */ |
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100 }; |
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101 |
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102 cell_progress_type = |
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103 g_type_register_static (GTK_TYPE_CELL_RENDERER, |
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104 "GaimGtkCellRendererProgress", |
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105 &cell_progress_info, 0); |
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106 } |
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107 |
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108 return cell_progress_type; |
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109 } |
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110 |
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111 static void gaim_gtk_cell_renderer_progress_init (GaimGtkCellRendererProgress *cellprogress) |
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112 { |
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113 GTK_CELL_RENDERER(cellprogress)->mode = GTK_CELL_RENDERER_MODE_INERT; |
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114 GTK_CELL_RENDERER(cellprogress)->xpad = 2; |
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115 GTK_CELL_RENDERER(cellprogress)->ypad = 2; |
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116 } |
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117 |
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118 static void gaim_gtk_cell_renderer_progress_class_init (GaimGtkCellRendererProgressClass *class) |
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119 { |
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120 GObjectClass *object_class = G_OBJECT_CLASS(class); |
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121 GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS(class); |
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122 |
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123 parent_class = g_type_class_peek_parent (class); |
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124 object_class->finalize = gaim_gtk_cell_renderer_progress_finalize; |
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125 |
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126 object_class->get_property = gaim_gtk_cell_renderer_progress_get_property; |
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127 object_class->set_property = gaim_gtk_cell_renderer_progress_set_property; |
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128 |
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129 cell_class->get_size = gaim_gtk_cell_renderer_progress_get_size; |
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130 cell_class->render = gaim_gtk_cell_renderer_progress_render; |
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131 |
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132 g_object_class_install_property (object_class, |
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133 PROP_PERCENTAGE, |
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134 g_param_spec_double ("percentage", |
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135 "Percentage", |
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136 "The fractional progress to display", |
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137 0, 1, 0, |
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138 G_PARAM_READWRITE)); |
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139 g_object_class_install_property (object_class, |
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140 PROP_TEXT, |
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141 g_param_spec_string ("text", |
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142 "Text", |
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143 "Text to overlay over progress bar", |
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144 NULL, |
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145 G_PARAM_READWRITE)); |
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146 g_object_class_install_property(object_class, |
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147 PROP_SHOW_TEXT, |
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148 g_param_spec_string("text_set", |
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149 "Text set", |
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150 "Whether to overlay text on the progress bar", |
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151 FALSE, |
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152 G_PARAM_READABLE | G_PARAM_WRITABLE)); |
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153 } |
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154 |
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155 static void gaim_gtk_cell_renderer_progress_finalize (GObject *object) |
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156 { |
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157 /* |
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158 GaimGtkCellRendererProgress *cellprogress = GAIM_GTK_CELL_RENDERER_PROGRESS(object); |
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159 */ |
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160 |
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161 (* G_OBJECT_CLASS (parent_class)->finalize) (object); |
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162 } |
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163 |
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164 static void gaim_gtk_cell_renderer_progress_get_property (GObject *object, |
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165 guint param_id, |
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166 GValue *value, |
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167 GParamSpec *psec) |
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168 { |
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169 GaimGtkCellRendererProgress *cellprogress = GAIM_GTK_CELL_RENDERER_PROGRESS(object); |
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170 |
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171 switch (param_id) |
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172 { |
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173 case PROP_PERCENTAGE: |
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174 g_value_set_double(value, cellprogress->progress); |
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175 break; |
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176 case PROP_TEXT: |
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177 g_value_set_string(value, cellprogress->text); |
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178 break; |
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179 case PROP_SHOW_TEXT: |
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180 g_value_set_boolean(value, cellprogress->text_set); |
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181 break; |
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182 default: |
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183 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, psec); |
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184 break; |
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185 } |
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186 } |
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187 |
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188 static void gaim_gtk_cell_renderer_progress_set_property (GObject *object, |
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189 guint param_id, |
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190 const GValue *value, |
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191 GParamSpec *pspec) |
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192 { |
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193 GaimGtkCellRendererProgress *cellprogress = GAIM_GTK_CELL_RENDERER_PROGRESS (object); |
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194 |
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195 switch (param_id) |
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196 { |
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197 case PROP_PERCENTAGE: |
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198 cellprogress->progress = g_value_get_double(value); |
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199 break; |
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200 case PROP_TEXT: |
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201 if (cellprogress->text) |
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202 g_free(cellprogress->text); |
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203 cellprogress->text = g_strdup(g_value_get_string(value)); |
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204 g_object_notify(object, "text"); |
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205 break; |
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206 case PROP_SHOW_TEXT: |
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207 cellprogress->text_set = g_value_get_boolean(value); |
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208 break; |
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209 default: |
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210 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec); |
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211 break; |
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212 } |
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213 } |
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214 |
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215 GtkCellRenderer *gaim_gtk_cell_renderer_progress_new(void) |
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216 { |
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217 return g_object_new(GAIM_TYPE_GTK_CELL_RENDERER_PROGRESS, NULL); |
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218 } |
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219 |
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220 static void gaim_gtk_cell_renderer_progress_get_size (GtkCellRenderer *cell, |
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221 GtkWidget *widget, |
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222 GdkRectangle *cell_area, |
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223 gint *x_offset, |
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224 gint *y_offset, |
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225 gint *width, |
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226 gint *height) |
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227 { |
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228 gint calc_width; |
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229 gint calc_height; |
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230 |
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231 calc_width = (gint) cell->xpad * 2 + 50; |
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232 calc_height = (gint) cell->ypad * 2 + 12; |
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233 |
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234 if (width) |
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235 *width = calc_width; |
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236 |
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237 if (height) |
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238 *height = calc_height; |
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239 |
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240 if (cell_area) |
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241 { |
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242 if (x_offset) |
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243 { |
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244 *x_offset = cell->xalign * (cell_area->width - calc_width); |
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245 *x_offset = MAX (*x_offset, 0); |
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246 } |
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247 if (y_offset) |
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248 { |
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249 *y_offset = cell->yalign * (cell_area->height - calc_height); |
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250 *y_offset = MAX (*y_offset, 0); |
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251 } |
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252 } |
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253 } |
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254 |
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255 |
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256 static void gaim_gtk_cell_renderer_progress_render (GtkCellRenderer *cell, |
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257 GdkWindow *window, |
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258 GtkWidget *widget, |
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259 GdkRectangle *background_area, |
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260 GdkRectangle *cell_area, |
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261 GdkRectangle *expose_area, |
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262 guint flags) |
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263 { |
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264 GaimGtkCellRendererProgress *cellprogress = (GaimGtkCellRendererProgress *) cell; |
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265 |
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266 gint width, height; |
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267 GtkStateType state; |
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268 |
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269 width = cell_area->width; |
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270 height = cell_area->height; |
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271 |
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272 if (GTK_WIDGET_HAS_FOCUS (widget)) |
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273 state = GTK_STATE_ACTIVE; |
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274 else |
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275 state = GTK_STATE_NORMAL; |
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276 |
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277 width -= cell->xpad*2; |
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278 height -= cell->ypad*2; |
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279 |
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280 gtk_paint_box (widget->style, |
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281 window, |
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282 GTK_STATE_NORMAL, GTK_SHADOW_IN, |
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283 NULL, widget, "trough", |
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284 cell_area->x + cell->xpad, |
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285 cell_area->y + cell->ypad, |
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286 width - 1, height - 1); |
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287 gtk_paint_box (widget->style, |
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288 window, |
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289 state, GTK_SHADOW_OUT, |
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290 NULL, widget, "bar", |
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291 cell_area->x + cell->xpad + 1, |
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292 cell_area->y + cell->ypad + 1, |
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293 (width - 3) * cellprogress->progress, |
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294 height - 3); |
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295 } |