1 | /* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ |
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2 | /** |
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3 | * ggv-control.c |
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4 | * |
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5 | * Author: Jaka Mocnik <jaka@gnu.org> |
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6 | * |
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7 | * Copyright (c) 2001, 2002 Free Software Foundation |
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8 | */ |
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9 | |
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10 | #include <config.h> |
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11 | |
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12 | #include <stdio.h> |
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13 | #include <math.h> |
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14 | #include <string.h> |
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15 | |
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16 | #include <gtk/gtksignal.h> |
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17 | #include <gtk/gtkmarshal.h> |
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18 | #include <gtk/gtktypeutils.h> |
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19 | |
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20 | #include <gnome.h> |
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21 | |
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22 | #include <ggv-control.h> |
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23 | #include <gsdefaults.h> |
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24 | #include <ggvutils.h> |
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25 | |
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26 | struct _GgvControlPrivate { |
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27 | GgvPostScriptView *ps_view; |
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28 | |
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29 | BonoboZoomable *zoomable; |
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30 | float zoom_level; |
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31 | gboolean has_zoomable_frame; |
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32 | |
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33 | GtkWidget *root; |
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34 | |
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35 | GtkObject *zoom_adj; |
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36 | BonoboControl *zoom_control; |
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37 | |
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38 | BonoboUIComponent *uic, *popup_uic; |
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39 | |
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40 | /* GConfClient notification ID */ |
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41 | guint gconf_notify_id; |
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42 | }; |
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43 | |
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44 | struct _GgvControlClassPrivate { |
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45 | int dummy; |
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46 | }; |
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47 | |
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48 | static struct { |
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49 | gfloat level; |
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50 | gchar *path; |
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51 | } zoom_level_items[] = { |
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52 | { 1.0/4.0, "/commands/Zoom0104" }, |
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53 | { 1.0/2.0, "/commands/Zoom0102" }, |
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54 | { 3.0/4.0, "/commands/Zoom0304" }, |
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55 | { 1.0/1.0, "/commands/Zoom0101" }, |
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56 | { 3.0/2.0, "/commands/Zoom0302" }, |
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57 | { 2.0/1.0, "/commands/Zoom0201" }, |
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58 | { 4.0/1.0, "/commands/Zoom0401" }, |
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59 | { 0.0, NULL } |
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60 | }; |
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61 | |
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62 | static BonoboControlClass *ggv_control_parent_class; |
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63 | |
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64 | static void |
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65 | ggv_control_destroy (BonoboObject *object) |
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66 | { |
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67 | GgvControl *control; |
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68 | |
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69 | g_return_if_fail (object != NULL); |
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70 | g_return_if_fail (GGV_IS_CONTROL (object)); |
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71 | |
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72 | control = GGV_CONTROL (object); |
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73 | |
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74 | if (control->priv->gconf_notify_id) { |
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75 | gconf_client_notify_remove (gtk_gs_defaults_gconf_client (), |
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76 | control->priv->gconf_notify_id); |
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77 | control->priv->gconf_notify_id = 0; |
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78 | } |
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79 | if (control->priv->zoom_control) { |
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80 | bonobo_object_unref(BONOBO_OBJECT(control->priv->zoom_control)); |
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81 | control->priv->zoom_control = NULL; |
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82 | } |
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83 | |
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84 | if(BONOBO_OBJECT_CLASS (ggv_control_parent_class)->destroy) |
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85 | BONOBO_OBJECT_CLASS (ggv_control_parent_class)->destroy (object); |
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86 | } |
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87 | |
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88 | static void |
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89 | ggv_control_finalize (GObject *object) |
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90 | { |
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91 | GgvControl *control; |
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92 | |
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93 | g_return_if_fail (object != NULL); |
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94 | g_return_if_fail (GGV_IS_CONTROL (object)); |
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95 | |
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96 | control = GGV_CONTROL (object); |
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97 | |
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98 | g_free (control->priv); |
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99 | |
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100 | G_OBJECT_CLASS (ggv_control_parent_class)->finalize (object); |
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101 | } |
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102 | |
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103 | static void |
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104 | sync_zoom_level_items(GgvControl *control) |
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105 | { |
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106 | int i; |
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107 | Bonobo_UIContainer container; |
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108 | |
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109 | container = bonobo_ui_component_get_container (control->priv->uic); |
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110 | if (container == CORBA_OBJECT_NIL) |
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111 | return; |
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112 | |
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113 | for(i = 0; zoom_level_items[i].path; i++) { |
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114 | if(fabs(ggv_postscript_view_get_zoom_factor(control->priv->ps_view) - zoom_level_items[i].level) < 0.001) { |
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115 | bonobo_ui_component_set_prop(control->priv->uic, |
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116 | zoom_level_items[i].path, |
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117 | "state", "1", NULL); |
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118 | return; |
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119 | } |
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120 | } |
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121 | bonobo_ui_component_set_prop(control->priv->uic, |
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122 | "/commands/ZoomOther", |
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123 | "state", "1", NULL); |
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124 | } |
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125 | |
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126 | static void |
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127 | sync_auto_fit_items(GgvControl *control) |
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128 | { |
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129 | int i; |
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130 | Bonobo_UIContainer container; |
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131 | GgvPostScriptView *ps_view = control->priv->ps_view; |
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132 | GtkWidget *gs; |
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133 | |
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134 | container = bonobo_ui_component_get_container (control->priv->uic); |
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135 | if (container == CORBA_OBJECT_NIL) |
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136 | return; |
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137 | |
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138 | gs = ggv_postscript_view_get_widget(ps_view); |
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139 | |
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140 | switch(gtk_gs_get_zoom_mode(GTK_GS(gs))) { |
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141 | case GTK_GS_ZOOM_ABSOLUTE: |
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142 | bonobo_ui_component_set_prop(control->priv->uic, |
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143 | "/commands/AutoFitNone", |
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144 | "state", "1", NULL); |
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145 | break; |
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146 | case GTK_GS_ZOOM_FIT_WIDTH: |
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147 | bonobo_ui_component_set_prop(control->priv->uic, |
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148 | "/commands/AutoFitWidth", |
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149 | "state", "1", NULL); |
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150 | break; |
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151 | case GTK_GS_ZOOM_FIT_PAGE: |
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152 | bonobo_ui_component_set_prop(control->priv->uic, |
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153 | "/commands/AutoFitPage", |
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154 | "state", "1", NULL); |
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155 | break; |
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156 | default: |
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157 | break; |
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158 | } |
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159 | } |
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160 | |
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161 | static void |
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162 | sync_command_state(GgvControl *control) |
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163 | { |
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164 | sync_auto_fit_items(control); |
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165 | sync_zoom_level_items(control); |
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166 | } |
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167 | |
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168 | static void |
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169 | zoomable_set_frame_cb (BonoboZoomable *zoomable, GgvControl *control) |
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170 | { |
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171 | g_return_if_fail (control != NULL); |
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172 | g_return_if_fail (GGV_IS_CONTROL (control)); |
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173 | |
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174 | control->priv->has_zoomable_frame = TRUE; |
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175 | } |
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176 | |
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177 | static void |
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178 | zoomable_set_zoom_level_cb (BonoboZoomable *zoomable, float new_zoom_level, |
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179 | GgvControl *control) |
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180 | { |
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181 | g_return_if_fail (control != NULL); |
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182 | g_return_if_fail (GGV_IS_CONTROL (control)); |
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183 | |
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184 | if(fabs(ggv_postscript_view_get_zoom_factor(control->priv->ps_view) - new_zoom_level) < 0.001) |
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185 | return; |
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186 | |
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187 | ggv_postscript_view_set_zoom_factor |
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188 | (control->priv->ps_view, new_zoom_level); |
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189 | control->priv->zoom_level = ggv_postscript_view_get_zoom_factor |
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190 | (control->priv->ps_view); |
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191 | |
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192 | if(control->priv->zoom_adj) { |
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193 | if(fabs(GTK_ADJUSTMENT(control->priv->zoom_adj)->value - new_zoom_level*100.0) > 0.01) |
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194 | gtk_adjustment_set_value(GTK_ADJUSTMENT(control->priv->zoom_adj), |
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195 | new_zoom_level*100.0); |
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196 | } |
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197 | |
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198 | bonobo_zoomable_report_zoom_level_changed |
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199 | (zoomable, control->priv->zoom_level, NULL); |
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200 | |
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201 | sync_zoom_level_items(control); |
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202 | } |
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203 | |
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204 | static void |
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205 | zoomable_zoom_in_cb (BonoboZoomable *zoomable, GgvControl *control) |
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206 | { |
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207 | float new_zoom_level; |
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208 | int index; |
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209 | |
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210 | g_return_if_fail (control != NULL); |
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211 | g_return_if_fail (GGV_IS_CONTROL (control)); |
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212 | |
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213 | index = ggv_zoom_index_from_float (control->priv->zoom_level); |
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214 | if (index == ggv_max_zoom_levels) |
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215 | return; |
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216 | |
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217 | index++; |
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218 | new_zoom_level = ggv_zoom_level_from_index (index); |
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219 | |
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220 | g_signal_emit_by_name (G_OBJECT (zoomable), "set_zoom_level", |
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221 | new_zoom_level); |
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222 | } |
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223 | |
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224 | static void |
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225 | zoomable_zoom_out_cb (BonoboZoomable *zoomable, GgvControl *control) |
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226 | { |
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227 | float new_zoom_level; |
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228 | int index; |
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229 | |
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230 | g_return_if_fail (control != NULL); |
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231 | g_return_if_fail (GGV_IS_CONTROL (control)); |
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232 | |
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233 | index = ggv_zoom_index_from_float (control->priv->zoom_level); |
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234 | if (index == 0) |
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235 | return; |
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236 | |
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237 | index--; |
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238 | new_zoom_level = ggv_zoom_level_from_index (index); |
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239 | |
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240 | g_signal_emit_by_name (G_OBJECT (zoomable), "set_zoom_level", |
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241 | new_zoom_level); |
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242 | } |
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243 | |
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244 | static void |
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245 | zoomable_zoom_to_fit_cb (BonoboZoomable *zoomable, GgvControl *control) |
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246 | { |
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247 | float new_zoom_level; |
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248 | |
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249 | g_return_if_fail (control != NULL); |
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250 | g_return_if_fail (GGV_IS_CONTROL (control)); |
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251 | |
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252 | new_zoom_level = |
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253 | ggv_postscript_view_zoom_to_fit (control->priv->ps_view, FALSE); |
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254 | |
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255 | g_signal_emit_by_name (G_OBJECT (zoomable), "set_zoom_level", |
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256 | new_zoom_level); |
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257 | } |
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258 | |
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259 | static void |
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260 | zoomable_zoom_to_default_cb (BonoboZoomable *zoomable, GgvControl *control) |
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261 | { |
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262 | g_return_if_fail (control != NULL); |
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263 | g_return_if_fail (GGV_IS_CONTROL (control)); |
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264 | |
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265 | g_signal_emit_by_name (G_OBJECT (zoomable), "set_zoom_level", 1.0); |
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266 | } |
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267 | |
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268 | static gboolean |
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269 | scrollbar_button_press_event(GtkWidget *widget, GdkEventButton *event, |
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270 | gpointer data) |
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271 | { |
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272 | GtkGS *gs = GTK_GS(data); |
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273 | |
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274 | if(event->button == 1) |
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275 | gtk_gs_start_scroll(gs); |
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276 | |
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277 | return FALSE; |
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278 | } |
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279 | |
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280 | static gboolean |
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281 | scrollbar_button_release_event(GtkWidget *widget, GdkEventButton *event, |
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282 | gpointer data) |
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283 | { |
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284 | GtkGS *gs = GTK_GS(data); |
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285 | |
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286 | if(event->button == 1) |
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287 | gtk_gs_end_scroll(gs); |
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288 | |
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289 | return FALSE; |
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290 | } |
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291 | |
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292 | static void |
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293 | listener_ZoomLevel_cb(BonoboUIComponent *uic, const char *path, |
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294 | Bonobo_UIComponent_EventType type, const char *state, |
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295 | gpointer user_data) |
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296 | { |
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297 | BonoboZoomable *zoomable; |
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298 | GgvControl *control; |
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299 | const char *zl; |
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300 | gint i; |
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301 | |
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302 | g_return_if_fail(user_data != NULL); |
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303 | g_return_if_fail(GGV_IS_CONTROL(user_data)); |
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304 | |
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305 | if(type != Bonobo_UIComponent_STATE_CHANGED) |
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306 | return; |
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307 | |
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308 | if(!state || !atoi(state)) |
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309 | return; |
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310 | |
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311 | control = GGV_CONTROL(user_data); |
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312 | zoomable = control->priv->zoomable; |
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313 | |
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314 | zl = path + strlen("Zoom"); |
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315 | |
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316 | for(i = 0; zoom_level_items[i].path != NULL; i++) { |
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317 | if(strstr(zoom_level_items[i].path, zl) != NULL) { |
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318 | g_signal_emit_by_name (G_OBJECT (zoomable), "set_zoom_level", |
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319 | (gfloat)zoom_level_items[i].level); |
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320 | break; |
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321 | } |
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322 | } |
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323 | } |
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324 | |
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325 | static void |
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326 | listener_AutoFitMode_cb(BonoboUIComponent *uic, const char *path, |
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327 | Bonobo_UIComponent_EventType type, const char *state, |
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328 | gpointer user_data) |
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329 | { |
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330 | GgvControl *control; |
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331 | GtkGS *gs; |
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332 | gint i; |
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333 | |
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334 | g_return_if_fail(user_data != NULL); |
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335 | g_return_if_fail(GGV_IS_CONTROL(user_data)); |
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336 | |
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337 | if(type != Bonobo_UIComponent_STATE_CHANGED) |
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338 | return; |
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339 | |
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340 | if(!state || !atoi(state)) |
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341 | return; |
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342 | |
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343 | control = GGV_CONTROL(user_data); |
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344 | gs = GTK_GS(ggv_postscript_view_get_widget(control->priv->ps_view)); |
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345 | |
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346 | if(!strcmp(path, "AutoFitNone")) |
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347 | gtk_gs_set_zoom_mode(gs, GTK_GS_ZOOM_ABSOLUTE); |
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348 | if(!strcmp(path, "AutoFitWidth")) |
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349 | gtk_gs_set_zoom_mode(gs, GTK_GS_ZOOM_FIT_WIDTH); |
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350 | if(!strcmp(path, "AutoFitPage")) |
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351 | gtk_gs_set_zoom_mode(gs, GTK_GS_ZOOM_FIT_PAGE); |
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352 | |
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353 | gtk_widget_unref(GTK_WIDGET(gs)); |
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354 | } |
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355 | |
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356 | static gboolean |
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357 | ggv_control_button_press_event(GtkWidget *widget, GdkEventButton *event, |
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358 | gpointer data) |
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359 | { |
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360 | GgvControl *control = GGV_CONTROL(data); |
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361 | |
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362 | if(event->button == 3) { |
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363 | return bonobo_control_do_popup(BONOBO_CONTROL(control), 3, event->time); |
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364 | } |
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365 | return FALSE; |
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366 | } |
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367 | |
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368 | static gboolean |
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369 | ggv_control_key_press_event(GtkWidget *widget, GdkEventKey *event, |
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370 | gpointer data) |
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371 | { |
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372 | GtkGS *gs = GTK_GS(widget); |
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373 | gint key = event->keyval; |
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374 | GgvControl *control = GGV_CONTROL(data); |
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375 | GtkGSOrientation orientation = gtk_gs_get_orientation(gs); |
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376 | GgvPostScriptView *ps_view = control->priv->ps_view; |
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377 | |
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378 | /* ugh. the possibilities! */ |
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379 | switch (key) { |
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380 | case GDK_space: |
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381 | switch (orientation) { |
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382 | case GTK_GS_ORIENTATION_PORTRAIT: |
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383 | if(!gtk_gs_scroll_step(gs, GTK_SCROLL_STEP_DOWN, TRUE)) { |
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384 | ggv_postscript_view_goto_page(ps_view, gtk_gs_get_current_page(gs) + 1); |
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385 | } |
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386 | break; |
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387 | case GTK_GS_ORIENTATION_LANDSCAPE: |
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388 | if(!gtk_gs_scroll_step(gs, GTK_SCROLL_STEP_LEFT, TRUE)) { |
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389 | ggv_postscript_view_goto_page(ps_view, gtk_gs_get_current_page(gs) + 1); |
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390 | } |
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391 | break; |
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392 | case GTK_GS_ORIENTATION_SEASCAPE: |
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393 | if(!gtk_gs_scroll_step(gs, GTK_SCROLL_STEP_RIGHT, TRUE)) { |
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394 | ggv_postscript_view_goto_page(ps_view, gtk_gs_get_current_page(gs) + 1); |
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395 | } |
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396 | break; |
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397 | case GTK_GS_ORIENTATION_UPSIDEDOWN: |
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398 | if(!gtk_gs_scroll_step(gs, GTK_SCROLL_STEP_UP, TRUE)) { |
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399 | ggv_postscript_view_goto_page(ps_view, gtk_gs_get_current_page(gs) + 1); |
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400 | } |
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401 | break; |
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402 | default: |
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403 | break; |
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404 | } |
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405 | break; |
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406 | case GDK_BackSpace: |
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407 | case GDK_Delete: |
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408 | switch (orientation) { |
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409 | case GTK_GS_ORIENTATION_PORTRAIT: |
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410 | if(!gtk_gs_scroll_step(gs, GTK_SCROLL_STEP_UP, TRUE)) { |
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411 | ggv_postscript_view_goto_page(ps_view, gtk_gs_get_current_page(gs) - 1); |
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412 | } |
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413 | break; |
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414 | case GTK_GS_ORIENTATION_LANDSCAPE: |
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415 | if(!gtk_gs_scroll_step(gs, GTK_SCROLL_STEP_RIGHT, TRUE)) { |
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416 | ggv_postscript_view_goto_page(ps_view, gtk_gs_get_current_page(gs) - 1); |
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417 | } |
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418 | break; |
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419 | case GTK_GS_ORIENTATION_SEASCAPE: |
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420 | if(!gtk_gs_scroll_step(gs, GTK_SCROLL_STEP_LEFT, TRUE)) { |
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421 | ggv_postscript_view_goto_page(ps_view, gtk_gs_get_current_page(gs) - 1); |
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422 | } |
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423 | break; |
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424 | case GTK_GS_ORIENTATION_UPSIDEDOWN: |
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425 | if(!gtk_gs_scroll_step(gs, GTK_SCROLL_STEP_DOWN, TRUE)) { |
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426 | ggv_postscript_view_goto_page(ps_view, gtk_gs_get_current_page(gs) - 1); |
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427 | } |
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428 | break; |
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429 | default: |
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430 | break; |
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431 | } |
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432 | break; |
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433 | case GDK_Left: |
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434 | if(!gtk_gs_scroll_step(gs, GTK_SCROLL_STEP_LEFT, FALSE) && |
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435 | ggv_postscript_view_get_page_flip(ps_view)) |
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436 | ggv_postscript_view_goto_page(ps_view, gtk_gs_get_current_page(gs) - 1); |
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437 | break; |
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438 | case GDK_Right: |
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439 | if(!gtk_gs_scroll_step(gs, GTK_SCROLL_STEP_RIGHT, FALSE) && |
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440 | ggv_postscript_view_get_page_flip(ps_view)) |
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441 | ggv_postscript_view_goto_page(ps_view, gtk_gs_get_current_page(gs) + 1); |
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442 | break; |
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443 | case GDK_Up: |
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444 | if(!gtk_gs_scroll_step(gs, GTK_SCROLL_STEP_UP, FALSE) && |
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445 | ggv_postscript_view_get_page_flip(ps_view)) |
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446 | ggv_postscript_view_goto_page(ps_view, gtk_gs_get_current_page(gs) - 1); |
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447 | break; |
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448 | case GDK_Down: |
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449 | if(!gtk_gs_scroll_step(gs, GTK_SCROLL_STEP_DOWN, FALSE) && |
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450 | ggv_postscript_view_get_page_flip(ps_view)) |
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451 | ggv_postscript_view_goto_page(ps_view, gtk_gs_get_current_page(gs) + 1); |
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452 | break; |
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453 | case GDK_Page_Up: |
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454 | ggv_postscript_view_goto_page(ps_view, gtk_gs_get_current_page(gs) - 1); |
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455 | break; |
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456 | case GDK_Page_Down: |
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457 | ggv_postscript_view_goto_page(ps_view, gtk_gs_get_current_page(gs) + 1); |
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458 | break; |
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459 | case GDK_plus: |
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460 | g_signal_emit_by_name(G_OBJECT (control->priv->zoomable), |
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461 | "zoom_in"); |
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462 | break; |
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463 | case GDK_minus: |
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464 | g_signal_emit_by_name(G_OBJECT(control->priv->zoomable), |
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465 | "zoom_out"); |
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466 | break; |
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467 | default: |
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468 | return FALSE; |
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469 | } |
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470 | |
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471 | return TRUE; |
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472 | } |
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473 | |
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474 | static void |
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475 | verb_ZoomIn_cb (BonoboUIComponent *uic, gpointer user_data, const char *cname) |
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476 | { |
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477 | GgvControl *control; |
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478 | |
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479 | g_return_if_fail (user_data != NULL); |
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480 | g_return_if_fail (GGV_IS_CONTROL (user_data)); |
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481 | |
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482 | control = GGV_CONTROL (user_data); |
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483 | |
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484 | g_signal_emit_by_name (G_OBJECT (control->priv->zoomable), |
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485 | "zoom_in"); |
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486 | } |
---|
487 | |
---|
488 | static void |
---|
489 | verb_ZoomOut_cb (BonoboUIComponent *uic, gpointer user_data, const char *cname) |
---|
490 | { |
---|
491 | GgvControl *control; |
---|
492 | |
---|
493 | g_return_if_fail (user_data != NULL); |
---|
494 | g_return_if_fail (GGV_IS_CONTROL (user_data)); |
---|
495 | |
---|
496 | control = GGV_CONTROL (user_data); |
---|
497 | |
---|
498 | g_signal_emit_by_name (G_OBJECT (control->priv->zoomable), |
---|
499 | "zoom_out"); |
---|
500 | } |
---|
501 | |
---|
502 | static void |
---|
503 | verb_ZoomToDefault_cb (BonoboUIComponent *uic, gpointer user_data, |
---|
504 | const char *cname) |
---|
505 | { |
---|
506 | GgvControl *control; |
---|
507 | |
---|
508 | g_return_if_fail (user_data != NULL); |
---|
509 | g_return_if_fail (GGV_IS_CONTROL (user_data)); |
---|
510 | |
---|
511 | control = GGV_CONTROL (user_data); |
---|
512 | |
---|
513 | g_signal_emit_by_name (G_OBJECT (control->priv->zoomable), |
---|
514 | "zoom_to_default"); |
---|
515 | } |
---|
516 | |
---|
517 | static void |
---|
518 | verb_ZoomToFit_cb (BonoboUIComponent *uic, gpointer user_data, |
---|
519 | const char *cname) |
---|
520 | { |
---|
521 | GgvControl *control; |
---|
522 | |
---|
523 | g_return_if_fail (user_data != NULL); |
---|
524 | g_return_if_fail (GGV_IS_CONTROL (user_data)); |
---|
525 | |
---|
526 | control = GGV_CONTROL (user_data); |
---|
527 | |
---|
528 | g_signal_emit_by_name (G_OBJECT (control->priv->zoomable), |
---|
529 | "zoom_to_fit"); |
---|
530 | } |
---|
531 | |
---|
532 | static void |
---|
533 | verb_ZoomToFitWidth_cb (BonoboUIComponent *uic, gpointer user_data, |
---|
534 | const char *cname) |
---|
535 | { |
---|
536 | GgvControl *control; |
---|
537 | gfloat zoom_level; |
---|
538 | |
---|
539 | g_return_if_fail (user_data != NULL); |
---|
540 | g_return_if_fail (GGV_IS_CONTROL (user_data)); |
---|
541 | |
---|
542 | control = GGV_CONTROL (user_data); |
---|
543 | |
---|
544 | zoom_level = ggv_postscript_view_zoom_to_fit(control->priv->ps_view, TRUE); |
---|
545 | |
---|
546 | g_signal_emit_by_name(G_OBJECT(control->priv->zoomable), "set_zoom_level", |
---|
547 | zoom_level); |
---|
548 | |
---|
549 | } |
---|
550 | |
---|
551 | static void |
---|
552 | _set_zoom_items_sensitivity(GgvControl *control, BonoboUIComponent *uic, gboolean sens) |
---|
553 | { |
---|
554 | gchar *prop_val = sens?"1":"0"; |
---|
555 | Bonobo_UIContainer container; |
---|
556 | gint i; |
---|
557 | |
---|
558 | container = bonobo_ui_component_get_container (uic); |
---|
559 | if (container == CORBA_OBJECT_NIL) |
---|
560 | return; |
---|
561 | |
---|
562 | bonobo_ui_component_freeze(uic, NULL); |
---|
563 | bonobo_ui_component_set_prop(uic, "/commands/ZoomIn", |
---|
564 | "sensitive", prop_val, NULL); |
---|
565 | bonobo_ui_component_set_prop(uic, "/commands/ZoomOut", |
---|
566 | "sensitive", prop_val, NULL); |
---|
567 | bonobo_ui_component_set_prop(uic, "/commands/ZoomToDefault", |
---|
568 | "sensitive", prop_val, NULL); |
---|
569 | bonobo_ui_component_set_prop(uic, "/commands/ZoomToFit", |
---|
570 | "sensitive", prop_val, NULL); |
---|
571 | bonobo_ui_component_set_prop(uic, "/commands/ZoomToFitWidth", |
---|
572 | "sensitive", prop_val, NULL); |
---|
573 | for(i = 0; zoom_level_items[i].path != NULL; i++) { |
---|
574 | bonobo_ui_component_set_prop(uic, zoom_level_items[i].path, |
---|
575 | "sensitive", prop_val, NULL); |
---|
576 | } |
---|
577 | bonobo_ui_component_thaw(uic, NULL); |
---|
578 | } |
---|
579 | |
---|
580 | static void |
---|
581 | set_zoom_items_sensitivity(GgvControl *control, gboolean sens) |
---|
582 | { |
---|
583 | _set_zoom_items_sensitivity(control, control->priv->uic, sens); |
---|
584 | if(control->priv->popup_uic != NULL) |
---|
585 | _set_zoom_items_sensitivity(control, control->priv->popup_uic, sens); |
---|
586 | } |
---|
587 | |
---|
588 | static void |
---|
589 | set_auto_fit_items_sensitivity(GgvControl *control, gboolean sens) |
---|
590 | { |
---|
591 | gchar *prop_val = sens?"1":"0"; |
---|
592 | Bonobo_UIContainer container; |
---|
593 | |
---|
594 | container = bonobo_ui_component_get_container (control->priv->uic); |
---|
595 | if (container == CORBA_OBJECT_NIL) |
---|
596 | return; |
---|
597 | |
---|
598 | bonobo_ui_component_freeze(control->priv->uic, NULL); |
---|
599 | bonobo_ui_component_set_prop(control->priv->uic, "/commands/AutoFitNone", |
---|
600 | "sensitive", prop_val, NULL); |
---|
601 | bonobo_ui_component_set_prop(control->priv->uic, "/commands/AutoFitWidth", |
---|
602 | "sensitive", prop_val, NULL); |
---|
603 | bonobo_ui_component_set_prop(control->priv->uic, "/commands/AutoFitPage", |
---|
604 | "sensitive", prop_val, NULL); |
---|
605 | bonobo_ui_component_thaw(control->priv->uic, NULL); |
---|
606 | } |
---|
607 | |
---|
608 | static void |
---|
609 | set_command_items_sensitivity(GgvControl *control, gboolean sens) |
---|
610 | { |
---|
611 | set_auto_fit_items_sensitivity(control, sens); |
---|
612 | set_zoom_items_sensitivity(control, sens); |
---|
613 | } |
---|
614 | |
---|
615 | static BonoboUIVerb ggv_control_verbs[] = { |
---|
616 | BONOBO_UI_VERB ("ZoomIn", verb_ZoomIn_cb), |
---|
617 | BONOBO_UI_VERB ("ZoomOut", verb_ZoomOut_cb), |
---|
618 | BONOBO_UI_VERB ("ZoomToDefault", verb_ZoomToDefault_cb), |
---|
619 | BONOBO_UI_VERB ("ZoomToFit", verb_ZoomToFit_cb), |
---|
620 | BONOBO_UI_VERB ("ZoomToFitWidth", verb_ZoomToFitWidth_cb), |
---|
621 | BONOBO_UI_VERB_END |
---|
622 | }; |
---|
623 | |
---|
624 | extern BonoboUIVerb ggv_postscript_view_verbs[]; |
---|
625 | |
---|
626 | static void |
---|
627 | zoom_adj_value_changed_cb(GtkAdjustment *adj, gpointer data) |
---|
628 | { |
---|
629 | GgvControl *control = GGV_CONTROL(data); |
---|
630 | |
---|
631 | if(fabs(adj->value - ggv_postscript_view_get_zoom_factor(control->priv->ps_view)) > 0.001) { |
---|
632 | g_signal_emit_by_name(G_OBJECT (control->priv->zoomable), |
---|
633 | "set_zoom_level", ((gfloat)adj->value)/100.0); |
---|
634 | } |
---|
635 | } |
---|
636 | |
---|
637 | static void |
---|
638 | ggv_control_create_ui (GgvControl *control) |
---|
639 | { |
---|
640 | GgvControlClass *klass; |
---|
641 | GdkPixbuf *pixbuf, *pixbuf_small; |
---|
642 | gchar *pixbuf_xml; |
---|
643 | int i; |
---|
644 | |
---|
645 | g_return_if_fail (control != NULL); |
---|
646 | g_return_if_fail (GGV_IS_CONTROL (control)); |
---|
647 | |
---|
648 | klass = GGV_CONTROL_CLASS(G_OBJECT_GET_CLASS(control)); |
---|
649 | |
---|
650 | bonobo_ui_component_freeze(control->priv->uic, NULL); |
---|
651 | bonobo_ui_util_set_ui(control->priv->uic, DATADIR, "ggv-control-ui.xml", |
---|
652 | "GGV", NULL); |
---|
653 | |
---|
654 | control->priv->popup_uic = bonobo_control_get_popup_ui_component(BONOBO_CONTROL(control)); |
---|
655 | bonobo_ui_component_freeze(control->priv->popup_uic, NULL); |
---|
656 | bonobo_ui_util_set_ui(control->priv->popup_uic, NULL, "ggv-postscript-view-ui.xml", "GGV", NULL); |
---|
657 | bonobo_ui_util_set_ui(control->priv->popup_uic, DATADIR, "ggv-control-ui.xml", "GGV", NULL); |
---|
658 | |
---|
659 | pixbuf = gdk_pixbuf_new_from_file(GNOMEICONDIR "/ggv/fitwidth.png", NULL); |
---|
660 | if(pixbuf != NULL) { |
---|
661 | pixbuf_xml = bonobo_ui_util_pixbuf_to_xml(pixbuf); |
---|
662 | bonobo_ui_component_set_prop(control->priv->uic, |
---|
663 | "/Toolbar/GgvItems/GgvZoomItems/ZoomToFitWidth", |
---|
664 | "pixname", pixbuf_xml, |
---|
665 | NULL); |
---|
666 | g_free(pixbuf_xml); |
---|
667 | pixbuf_small = gdk_pixbuf_scale_simple(pixbuf, 18, 18, GDK_INTERP_TILES); |
---|
668 | pixbuf_xml = bonobo_ui_util_pixbuf_to_xml(pixbuf_small); |
---|
669 | bonobo_ui_component_set_prop(control->priv->uic, |
---|
670 | "/menu/View/Zoom Items Placeholder/Zoom/ZoomToFitWidth", |
---|
671 | "pixname", pixbuf_xml, |
---|
672 | NULL); |
---|
673 | bonobo_ui_component_set_prop(control->priv->popup_uic, |
---|
674 | "/popups/button3/ZoomMenu/ZoomToFitWidth", |
---|
675 | "pixname", pixbuf_xml, |
---|
676 | NULL); |
---|
677 | g_free(pixbuf_xml); |
---|
678 | gdk_pixbuf_unref(pixbuf); |
---|
679 | gdk_pixbuf_unref(pixbuf_small); |
---|
680 | } |
---|
681 | |
---|
682 | for(i = 0; zoom_level_items[i].path; i++) { |
---|
683 | bonobo_ui_component_add_listener(control->priv->uic, |
---|
684 | zoom_level_items[i].path + strlen("/commands/"), |
---|
685 | listener_ZoomLevel_cb, control); |
---|
686 | } |
---|
687 | bonobo_ui_component_add_listener(control->priv->uic, |
---|
688 | "AutoFitNone", |
---|
689 | listener_AutoFitMode_cb, control); |
---|
690 | bonobo_ui_component_add_listener(control->priv->uic, |
---|
691 | "AutoFitWidth", |
---|
692 | listener_AutoFitMode_cb, control); |
---|
693 | bonobo_ui_component_add_listener(control->priv->uic, |
---|
694 | "AutoFitPage", |
---|
695 | listener_AutoFitMode_cb, control); |
---|
696 | |
---|
697 | set_command_items_sensitivity(control, ggv_postscript_view_get_page_count(control->priv->ps_view) > 0); |
---|
698 | |
---|
699 | sync_command_state(control); |
---|
700 | |
---|
701 | bonobo_ui_component_add_verb_list_with_data(control->priv->uic, |
---|
702 | ggv_control_verbs, |
---|
703 | control); |
---|
704 | bonobo_ui_component_add_verb_list_with_data(control->priv->popup_uic, |
---|
705 | ggv_control_verbs, |
---|
706 | control); |
---|
707 | bonobo_ui_component_add_verb_list_with_data(control->priv->popup_uic, |
---|
708 | ggv_postscript_view_verbs, |
---|
709 | control->priv->ps_view); |
---|
710 | ggv_postscript_view_set_popup_ui_component(control->priv->ps_view, |
---|
711 | control->priv->popup_uic); |
---|
712 | |
---|
713 | if(!control->priv->has_zoomable_frame) { |
---|
714 | BonoboControl *zoom_control; |
---|
715 | GtkWidget *zoom_spin, *zoom_image, *perc_label, *hbox; |
---|
716 | GtkObject *zoom_adj; |
---|
717 | |
---|
718 | hbox = gtk_hbox_new(FALSE, 2); |
---|
719 | gtk_widget_show(hbox); |
---|
720 | zoom_image = gtk_image_new_from_file(GNOMEICONDIR "/ggv/zoom.xpm"); |
---|
721 | gtk_widget_show(zoom_image); |
---|
722 | gtk_box_pack_start(GTK_BOX(hbox), zoom_image, FALSE, TRUE, 0); |
---|
723 | zoom_adj = gtk_adjustment_new(ggv_postscript_view_get_zoom_factor(control->priv->ps_view)*100.0, |
---|
724 | 16.67, 600.0, 10.0, 100.0, 100.0); |
---|
725 | g_signal_connect(G_OBJECT(zoom_adj), "value-changed", |
---|
726 | G_CALLBACK(zoom_adj_value_changed_cb), control); |
---|
727 | zoom_spin = gtk_spin_button_new(GTK_ADJUSTMENT(zoom_adj), 1.0, 0); |
---|
728 | gtk_widget_show(zoom_spin); |
---|
729 | gtk_box_pack_start(GTK_BOX(hbox), zoom_spin, TRUE, TRUE, 0); |
---|
730 | perc_label = gtk_label_new("%"); |
---|
731 | gtk_widget_show(perc_label); |
---|
732 | gtk_box_pack_start(GTK_BOX(hbox), perc_label, FALSE, TRUE, 0); |
---|
733 | |
---|
734 | zoom_control = bonobo_control_new(hbox); |
---|
735 | bonobo_ui_component_object_set(control->priv->uic, "/Sidebar/Zoom Control Placeholder/ZoomControl", |
---|
736 | BONOBO_OBJREF(zoom_control), NULL); |
---|
737 | control->priv->zoom_control = zoom_control; |
---|
738 | control->priv->zoom_adj = zoom_adj; |
---|
739 | } |
---|
740 | bonobo_ui_component_thaw(control->priv->uic, NULL); |
---|
741 | bonobo_ui_component_thaw(control->priv->popup_uic, NULL); |
---|
742 | } |
---|
743 | |
---|
744 | static void |
---|
745 | ggv_control_set_ui_container (GgvControl *control, |
---|
746 | Bonobo_UIContainer ui_container) |
---|
747 | { |
---|
748 | g_return_if_fail (control != NULL); |
---|
749 | g_return_if_fail (GGV_IS_CONTROL (control)); |
---|
750 | g_return_if_fail (ui_container != CORBA_OBJECT_NIL); |
---|
751 | |
---|
752 | ggv_postscript_view_set_ui_container (control->priv->ps_view, |
---|
753 | ui_container); |
---|
754 | |
---|
755 | bonobo_ui_component_set_container (control->priv->uic, ui_container, NULL); |
---|
756 | |
---|
757 | /* NOTE: we always merge our UI, as we have more than merely zoom items |
---|
758 | to offer. */ |
---|
759 | if(TRUE || !control->priv->has_zoomable_frame) { |
---|
760 | ggv_control_create_ui(control); |
---|
761 | } |
---|
762 | } |
---|
763 | |
---|
764 | static void |
---|
765 | ggv_control_unset_ui_container (GgvControl *control) |
---|
766 | { |
---|
767 | g_return_if_fail (control != NULL); |
---|
768 | g_return_if_fail (GGV_IS_CONTROL (control)); |
---|
769 | |
---|
770 | ggv_postscript_view_unset_ui_container (control->priv->ps_view); |
---|
771 | |
---|
772 | bonobo_ui_component_unset_container (control->priv->uic, NULL); |
---|
773 | } |
---|
774 | |
---|
775 | static void |
---|
776 | ggv_control_activate (BonoboControl *object, gboolean state) |
---|
777 | { |
---|
778 | GgvControl *control; |
---|
779 | |
---|
780 | g_return_if_fail (object != NULL); |
---|
781 | g_return_if_fail (GGV_IS_CONTROL (object)); |
---|
782 | |
---|
783 | control = GGV_CONTROL (object); |
---|
784 | |
---|
785 | if (state) { |
---|
786 | Bonobo_UIContainer ui_container; |
---|
787 | |
---|
788 | ui_container = bonobo_control_get_remote_ui_container (BONOBO_CONTROL (control), NULL); |
---|
789 | if (ui_container != CORBA_OBJECT_NIL) { |
---|
790 | ggv_control_set_ui_container (control, ui_container); |
---|
791 | bonobo_object_release_unref (ui_container, NULL); |
---|
792 | } |
---|
793 | } else |
---|
794 | ggv_control_unset_ui_container (control); |
---|
795 | |
---|
796 | if (BONOBO_CONTROL_CLASS (ggv_control_parent_class)->activate) |
---|
797 | BONOBO_CONTROL_CLASS (ggv_control_parent_class)->activate (object, state); |
---|
798 | } |
---|
799 | |
---|
800 | static void |
---|
801 | ggv_control_class_init (GgvControlClass *klass) |
---|
802 | { |
---|
803 | GObjectClass *object_class = (GObjectClass *)klass; |
---|
804 | BonoboObjectClass *bonobo_object_class = (BonoboObjectClass *)klass; |
---|
805 | BonoboControlClass *control_class = (BonoboControlClass *)klass; |
---|
806 | |
---|
807 | ggv_control_parent_class = gtk_type_class (bonobo_control_get_type ()); |
---|
808 | |
---|
809 | bonobo_object_class->destroy = ggv_control_destroy; |
---|
810 | object_class->finalize = ggv_control_finalize; |
---|
811 | |
---|
812 | control_class->activate = ggv_control_activate; |
---|
813 | |
---|
814 | klass->priv = g_new0(GgvControlClassPrivate, 1); |
---|
815 | } |
---|
816 | |
---|
817 | static void |
---|
818 | ggv_control_init (GgvControl *control) |
---|
819 | { |
---|
820 | control->priv = g_new0 (GgvControlPrivate, 1); |
---|
821 | } |
---|
822 | |
---|
823 | BONOBO_TYPE_FUNC (GgvControl, BONOBO_TYPE_CONTROL, ggv_control); |
---|
824 | |
---|
825 | static void |
---|
826 | ps_view_property_changed_handler(BonoboListener *listener, |
---|
827 | char *event_name, |
---|
828 | CORBA_any *any, |
---|
829 | CORBA_Environment *ev, |
---|
830 | gpointer data) |
---|
831 | { |
---|
832 | GgvControl *control = GGV_CONTROL(data); |
---|
833 | |
---|
834 | if(!g_ascii_strcasecmp(event_name, "Bonobo/Property:change:page")) { |
---|
835 | set_command_items_sensitivity(control, BONOBO_ARG_GET_INT(any) != -1); |
---|
836 | } |
---|
837 | } |
---|
838 | |
---|
839 | GgvControl * |
---|
840 | ggv_control_construct (GgvControl *control, GgvPostScriptView *ps_view) |
---|
841 | { |
---|
842 | BonoboPropertyBag *property_bag; |
---|
843 | BonoboPropertyControl *property_control; |
---|
844 | GtkWidget *view; |
---|
845 | gchar *mask; |
---|
846 | |
---|
847 | g_return_val_if_fail (ps_view != NULL, NULL); |
---|
848 | g_return_val_if_fail (control != NULL, NULL); |
---|
849 | g_return_val_if_fail (GGV_IS_POSTSCRIPT_VIEW (ps_view), NULL); |
---|
850 | g_return_val_if_fail (GGV_IS_CONTROL (control), NULL); |
---|
851 | |
---|
852 | control->priv->ps_view = ps_view; |
---|
853 | bonobo_object_ref (BONOBO_OBJECT (ps_view)); |
---|
854 | |
---|
855 | if (!ggv_postscript_view_add_interfaces (ps_view, BONOBO_OBJECT (control))) { |
---|
856 | g_message("control: can't add interfaces"); |
---|
857 | return NULL; |
---|
858 | } |
---|
859 | |
---|
860 | view = ggv_postscript_view_get_widget (control->priv->ps_view); |
---|
861 | g_signal_connect(G_OBJECT(view), "key_press_event", |
---|
862 | G_CALLBACK(ggv_control_key_press_event), control); |
---|
863 | g_signal_connect(G_OBJECT(view), "button_press_event", |
---|
864 | G_CALLBACK(ggv_control_button_press_event), control); |
---|
865 | |
---|
866 | control->priv->root = gtk_scrolled_window_new(NULL, NULL); |
---|
867 | gtk_widget_show(control->priv->root); |
---|
868 | gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(control->priv->root), |
---|
869 | GTK_SHADOW_IN); |
---|
870 | gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(control->priv->root), |
---|
871 | GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); |
---|
872 | g_signal_connect(G_OBJECT(GTK_SCROLLED_WINDOW(control->priv->root)->hscrollbar), |
---|
873 | "button_press_event", |
---|
874 | G_CALLBACK(scrollbar_button_press_event), |
---|
875 | view); |
---|
876 | g_signal_connect(G_OBJECT(GTK_SCROLLED_WINDOW(control->priv->root)->vscrollbar), |
---|
877 | "button_press_event", |
---|
878 | G_CALLBACK(scrollbar_button_press_event), |
---|
879 | view); |
---|
880 | g_signal_connect(G_OBJECT(GTK_SCROLLED_WINDOW(control->priv->root)->hscrollbar), |
---|
881 | "button_release_event", |
---|
882 | G_CALLBACK(scrollbar_button_release_event), |
---|
883 | view); |
---|
884 | g_signal_connect(G_OBJECT(GTK_SCROLLED_WINDOW(control->priv->root)->vscrollbar), |
---|
885 | "button_release_event", |
---|
886 | G_CALLBACK(scrollbar_button_release_event), |
---|
887 | view); |
---|
888 | gtk_container_add(GTK_CONTAINER(control->priv->root), view); |
---|
889 | /* unref the GtkGS acquired from GgvPostScriptView */ |
---|
890 | gtk_widget_unref(view); |
---|
891 | |
---|
892 | bonobo_control_construct (BONOBO_CONTROL (control), control->priv->root); |
---|
893 | |
---|
894 | bonobo_object_add_interface (BONOBO_OBJECT (control), |
---|
895 | BONOBO_OBJECT (control->priv->ps_view)); |
---|
896 | |
---|
897 | /* Interface Bonobo::Zoomable */ |
---|
898 | control->priv->zoomable = bonobo_zoomable_new (); |
---|
899 | |
---|
900 | g_signal_connect (G_OBJECT (control->priv->zoomable), |
---|
901 | "set_frame", |
---|
902 | G_CALLBACK (zoomable_set_frame_cb), |
---|
903 | control); |
---|
904 | g_signal_connect (G_OBJECT (control->priv->zoomable), |
---|
905 | "set_zoom_level", |
---|
906 | G_CALLBACK (zoomable_set_zoom_level_cb), |
---|
907 | control); |
---|
908 | g_signal_connect (G_OBJECT (control->priv->zoomable), |
---|
909 | "zoom_in", |
---|
910 | G_CALLBACK (zoomable_zoom_in_cb), |
---|
911 | control); |
---|
912 | g_signal_connect (G_OBJECT (control->priv->zoomable), |
---|
913 | "zoom_out", |
---|
914 | G_CALLBACK (zoomable_zoom_out_cb), |
---|
915 | control); |
---|
916 | g_signal_connect (G_OBJECT (control->priv->zoomable), |
---|
917 | "zoom_to_fit", |
---|
918 | G_CALLBACK (zoomable_zoom_to_fit_cb), |
---|
919 | control); |
---|
920 | g_signal_connect (G_OBJECT (control->priv->zoomable), |
---|
921 | "zoom_to_default", |
---|
922 | G_CALLBACK (zoomable_zoom_to_default_cb), |
---|
923 | control); |
---|
924 | |
---|
925 | control->priv->zoom_level = ggv_postscript_view_get_zoom_factor(ps_view); |
---|
926 | bonobo_zoomable_set_parameters_full (control->priv->zoomable, |
---|
927 | control->priv->zoom_level, |
---|
928 | ggv_zoom_levels [0], |
---|
929 | ggv_zoom_levels [ggv_max_zoom_levels], |
---|
930 | TRUE, TRUE, TRUE, |
---|
931 | ggv_zoom_levels, |
---|
932 | ggv_zoom_level_names, |
---|
933 | ggv_max_zoom_levels + 1); |
---|
934 | |
---|
935 | bonobo_object_add_interface (BONOBO_OBJECT (control), |
---|
936 | BONOBO_OBJECT (control->priv->zoomable)); |
---|
937 | |
---|
938 | property_bag = |
---|
939 | ggv_postscript_view_get_property_bag (control->priv->ps_view); |
---|
940 | |
---|
941 | bonobo_control_set_properties (BONOBO_CONTROL(control), |
---|
942 | BONOBO_OBJREF(property_bag), NULL); |
---|
943 | mask = "Bonobo/Property:change:page"; |
---|
944 | bonobo_event_source_client_add_listener(BONOBO_OBJREF(property_bag), |
---|
945 | (BonoboListenerCallbackFn)ps_view_property_changed_handler, |
---|
946 | mask, NULL, control); |
---|
947 | bonobo_object_unref (BONOBO_OBJECT (property_bag)); |
---|
948 | |
---|
949 | property_control = |
---|
950 | ggv_postscript_view_get_property_control (control->priv->ps_view); |
---|
951 | bonobo_object_add_interface (BONOBO_OBJECT (control), |
---|
952 | BONOBO_OBJECT (property_control)); |
---|
953 | bonobo_object_unref(BONOBO_OBJECT(property_control)); |
---|
954 | |
---|
955 | control->priv->uic = |
---|
956 | bonobo_control_get_ui_component (BONOBO_CONTROL (control)); |
---|
957 | |
---|
958 | return control; |
---|
959 | } |
---|
960 | |
---|
961 | GgvControl * |
---|
962 | ggv_control_new (GgvPostScriptView *ps_view) |
---|
963 | { |
---|
964 | GgvControl *control; |
---|
965 | |
---|
966 | g_return_val_if_fail (ps_view != NULL, NULL); |
---|
967 | g_return_val_if_fail (GGV_IS_POSTSCRIPT_VIEW (ps_view), NULL); |
---|
968 | |
---|
969 | control = g_object_new(GGV_CONTROL_TYPE, NULL); |
---|
970 | |
---|
971 | return ggv_control_construct (control, ps_view); |
---|
972 | } |
---|