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1 /* Adwaita - a GTK+ engine
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2 *
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3 * Copyright (C) 2012 Red Hat, Inc.
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4 *
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5 * This library is free software; you can redistribute it and/or
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6 * modify it under the terms of the GNU Lesser General Public
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7 * License as published by the Free Software Foundation; either
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8 * version 2.1 of the License, or (at your option) any later version.
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9 *
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10 * This library is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 * Lesser General Public License for more details.
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14 *
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15 * You should have received a copy of the GNU Lesser General Public
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16 * License along with this library; if not, write to the Free Software
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17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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18 *
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19 * Authors: Cosimo Cecchi <cosimoc@gnome.org>
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20 */
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21
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22 #include <gmodule.h>
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23 #include <glib.h>
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24 #include <gtk/gtk.h>
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25
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26 #ifdef GDK_WINDOWING_X11
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27 #include <gdk/gdkx.h>
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28 #endif
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29
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30 /***************************************/
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31 /* Register & Initialize Drawing Style */
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32 /***************************************/
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33 #define ADWAITA_TYPE_STYLE (adwaita_style_get_type ())
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34 #define ADWAITA_STYLE(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), ADWAITA_TYPE_STYLE, AdwaitaStyle))
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35 #define ADWAITA_STYLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), ADWAITA_TYPE_STYLE, AdwaitaStyleClass))
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36 #define ADWAITA_IS_STYLE(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), ADWAITA_TYPE_STYLE))
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37 #define ADWAITA_IS_STYLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), ADWAITA_TYPE_STYLE))
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38 #define ADWAITA_STYLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), ADWAITA_TYPE_STYLE, AdwaitaStyleClass))
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39
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40 typedef struct
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41 {
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42 GtkStyle parent_instance;
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43 } AdwaitaStyle;
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44
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45 typedef struct
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46 {
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47 GtkStyleClass parent_class;
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48 } AdwaitaStyleClass;
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49
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50 G_DEFINE_DYNAMIC_TYPE (AdwaitaStyle, adwaita_style, GTK_TYPE_STYLE)
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51
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52 static void
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53 do_toplevel_hack (GtkWidget *widget,
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54 const gchar *widget_name)
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55 {
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56 gboolean tried_hack;
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57
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58 tried_hack = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget), "adwaita-toplevel-hack"));
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59
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60 if (!tried_hack)
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61 {
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62 g_object_set_data (G_OBJECT (widget),
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63 "adwaita-toplevel-hack", GINT_TO_POINTER (1));
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64 gtk_widget_set_name (widget, widget_name);
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65 }
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66 }
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67
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68 static gboolean
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69 wm_is_fallback (void)
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70 {
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71 #ifdef GDK_WINDOWING_X11
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72 const gchar *name;
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73 name = gdk_x11_screen_get_window_manager_name (gdk_screen_get_default ());
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74 return g_strcmp0 (name, "GNOME Shell") != 0;
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75 #else
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76 return TRUE;
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77 #endif
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78 }
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79
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80 static cairo_t *
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81 drawable_to_cairo (GdkDrawable *window,
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82 GdkRectangle *area)
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83 {
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84 cairo_t *cr;
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85
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86 g_return_val_if_fail (window != NULL, NULL);
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87
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88 cr = (cairo_t*) gdk_cairo_create (window);
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89 cairo_set_line_width (cr, 1.0);
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90 cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
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91 cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER);
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92
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93 if (area)
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94 {
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95 cairo_rectangle (cr, area->x, area->y, area->width, area->height);
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96 cairo_clip_preserve (cr);
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97 cairo_new_path (cr);
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98 }
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99
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100 return cr;
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101 }
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102
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103 static void
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104 adwaita_draw_box (GtkStyle * style,
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105 GdkWindow * window,
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106 GtkStateType state_type,
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107 GtkShadowType shadow_type,
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108 GdkRectangle * area,
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109 GtkWidget * widget,
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110 const gchar * detail,
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111 gint x,
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112 gint y,
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113 gint width,
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114 gint height)
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115 {
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116 if (GTK_IS_MENU (widget) &&
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117 g_strcmp0 (detail, "menu") == 0 &&
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118 wm_is_fallback ())
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119 {
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120 cairo_t *cr = drawable_to_cairo (window, area);
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121 cairo_pattern_t *pattern = cairo_pattern_create_linear (x, y, x, y + height);
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122 gdouble stop_1, stop_2, stop_3;
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123
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124 stop_1 = MIN (1.0, 6.0 / (gdouble) height);
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125 stop_2 = MAX (stop_1, 0.33);
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126 stop_3 = MAX (stop_2, 0.66);
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127
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128 cairo_pattern_add_color_stop_rgba (pattern, 0.0, 0.66, 0.66, 0.66, 0.0);
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129 cairo_pattern_add_color_stop_rgba (pattern, stop_1, 0.66, 0.66, 0.66, 0.25);
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130 cairo_pattern_add_color_stop_rgba (pattern, stop_2, 0.66, 0.66, 0.66, 0.80);
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131 cairo_pattern_add_color_stop_rgba (pattern, stop_3, 0.66, 0.66, 0.66, 1.0);
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132 cairo_pattern_add_color_stop_rgba (pattern, 1.0, 0.66, 0.66, 0.66, 1.0);
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133 cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
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134
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135 cairo_set_source (cr, pattern);
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136 cairo_rectangle (cr, x, y, width, height);
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137 cairo_stroke (cr);
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138
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139 cairo_destroy (cr);
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140 cairo_pattern_destroy (pattern);
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141 }
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142 else
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143 {
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144 GTK_STYLE_CLASS (adwaita_style_parent_class)->draw_box (style, window, state_type, shadow_type,
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145 area, widget, detail,
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146 x, y, width, height);
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147 }
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148 }
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149
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150 void
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151 adwaita_draw_flat_box (GtkStyle *style,
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152 GdkWindow *window,
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153 GtkStateType state_type,
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154 GtkShadowType shadow_type,
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155 GdkRectangle *area,
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156 GtkWidget *widget,
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157 const gchar *detail,
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158 gint x,
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159 gint y,
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160 gint width,
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161 gint height)
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162 {
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163 const gchar *app_name;
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164
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165 GTK_STYLE_CLASS (adwaita_style_parent_class)->draw_flat_box (style, window, state_type, shadow_type,
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166 area, widget, detail,
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167 x, y, width, height);
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168
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169 /* HACK: this is totally awful, but I don't see a better way to "tag" the OO.o hierarchy */
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170 if (!GTK_IS_WINDOW (widget) ||
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171 (gtk_window_get_window_type (GTK_WINDOW (widget)) != GTK_WINDOW_TOPLEVEL))
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172 return;
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173
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174 app_name = g_get_application_name ();
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175 if (g_str_has_prefix (app_name, "OpenOffice.org"))
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176 do_toplevel_hack (widget, "openoffice-toplevel");
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177 else if (g_str_has_prefix (app_name, "LibreOffice"))
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178 do_toplevel_hack (widget, "libreoffice-toplevel");
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179 }
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180
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181 static void
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182 adwaita_style_init (AdwaitaStyle *style)
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183 {
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184 }
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185
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186 static void
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187 adwaita_style_class_init (AdwaitaStyleClass * klass)
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188 {
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189 GtkStyleClass *style_class = GTK_STYLE_CLASS (klass);
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190
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191 style_class->draw_box = adwaita_draw_box;
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192 style_class->draw_flat_box = adwaita_draw_flat_box;
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193 }
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194
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195 static void
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196 adwaita_style_class_finalize (AdwaitaStyleClass * klass)
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197 {
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198 }
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199
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200 /**********************************/
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201 /* Register & Initialize RC Style */
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202 /**********************************/
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203 #define ADWAITA_TYPE_RC_STYLE (adwaita_rc_style_get_type ())
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204 #define ADWAITA_RC_STYLE(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), ADWAITA_TYPE_RC_STYLE, AdwaitaRcStyle))
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205 #define ADWAITA_RC_STYLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), ADWAITA_TYPE_RC_STYLE, AdwaitaRcStyleClass))
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206 #define ADWAITA_IS_RC_STYLE(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), ADWAITA_TYPE_RC_STYLE))
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207 #define ADWAITA_IS_RC_STYLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), ADWAITA_TYPE_RC_STYLE))
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208 #define ADWAITA_RC_STYLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), ADWAITA_TYPE_RC_STYLE, AdwaitaRcStyleClass))
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209
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210 typedef struct
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211 {
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212 GtkRcStyle parent_instance;
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213 } AdwaitaRcStyle;
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214
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215 typedef struct
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216 {
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217 GtkRcStyleClass parent_class;
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218 } AdwaitaRcStyleClass;
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219
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220 G_DEFINE_DYNAMIC_TYPE (AdwaitaRcStyle, adwaita_rc_style, GTK_TYPE_RC_STYLE)
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221
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222 static GtkStyle *
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223 adwaita_rc_style_create_style (GtkRcStyle *rc_style)
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224 {
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225 return g_object_new (ADWAITA_TYPE_STYLE, NULL);
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226 }
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227
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228 static void
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229 adwaita_rc_style_init (AdwaitaRcStyle *rc_style)
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230 {
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231 }
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232
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233 static void
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234 adwaita_rc_style_class_init (AdwaitaRcStyleClass * klass)
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235 {
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236 GtkRcStyleClass *rc_class = GTK_RC_STYLE_CLASS (klass);
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237
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238 rc_class->create_style = adwaita_rc_style_create_style;
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239 }
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240
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241 static void
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242 adwaita_rc_style_class_finalize (AdwaitaRcStyleClass * klass)
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243 {
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244 }
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245
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246 /****************
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247 * Engine Hooks *
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248 ****************/
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249 void
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250 theme_init (GTypeModule * module)
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251 {
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252 adwaita_rc_style_register_type (module);
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253 adwaita_style_register_type (module);
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254 }
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255
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256 void
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257 theme_exit (void)
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258 {
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259 }
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260
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261 GtkRcStyle *
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262 theme_create_rc_style (void)
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263 {
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264 return g_object_new (ADWAITA_TYPE_RC_STYLE, NULL);
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265 }
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