player/preferences.c

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
   2 /*
   3  * callbacks.c
   4  * Copyright (C) Philip en Marijn 2008 <>
   5  *
   6  * preferences.c is free software copyrighted by Philip en Marijn.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. Neither the name ``Philip en Marijn'' nor the name of any other
  17  *    contributor may be used to endorse or promote products derived
  18  *    from this software without specific prior written permission.
  19  *
  20  * preferences.c IS PROVIDED BY Philip en Marijn ``AS IS'' AND ANY EXPRESS
  21  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  22  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL Philip en Marijn OR ANY OTHER CONTRIBUTORS
  24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  27  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  28  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  29  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  30  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <glib.h>
  34 #include <glib/gi18n.h>
  35 #include <gtk/gtk.h>
  36 #include <libchimara/chimara-glk.h>
  37 #include <libchimara/chimara-if.h>
  38 #include <config.h>
  39 #include "error.h"
  40
  41 GObject *load_object(const gchar *name);
  42 static GtkTextTag *current_tag;
  43
  44 static void style_tree_select_callback(GtkTreeSelection *selection, ChimaraGlk *glk);
  45
  46 /* Create the preferences dialog. */
  47 void
  48 preferences_create(ChimaraGlk *glk)
  49 {
  50         /* Initialize the tree of style names */
  51         GtkTreeStore *style_list = gtk_tree_store_new(1, G_TYPE_STRING);
  52         GtkTreeIter buffer, grid, buffer_child, grid_child;
  53
  54         gtk_tree_store_append(style_list, &buffer, NULL);
  55         gtk_tree_store_append(style_list, &grid, NULL);
  56         gtk_tree_store_set(style_list, &buffer, 0, "Text buffer", -1);
  57         gtk_tree_store_set(style_list, &grid, 0, "Text grid", -1);
  58
  59         int i;
  60     gint num_tags = chimara_glk_get_num_tag_names(glk);
  61         const gchar **tag_names = chimara_glk_get_tag_names(glk);
  62         for(i=0; i<num_tags; i++) {
  63                 gtk_tree_store_append(style_list, &buffer_child, &buffer);
  64                 gtk_tree_store_append(style_list, &grid_child, &grid);
  65                 gtk_tree_store_set(style_list, &buffer_child, 0, tag_names[i], -1);
  66                 gtk_tree_store_set(style_list, &grid_child, 0, tag_names[i], -1);
  67         }
  68
  69         /* Attach the model to the treeview */
  70         GtkTreeView *view = GTK_TREE_VIEW( load_object("style-treeview") );
  71         gtk_tree_view_set_model(view, GTK_TREE_MODEL(style_list));
  72         g_object_unref(style_list);
  73
  74         /* Set the columns */
  75         GtkTreeViewColumn *column = gtk_tree_view_column_new();
  76         gtk_tree_view_column_set_title(column, "Style Name");
  77         gtk_tree_view_append_column(view, column);
  78
  79         /* Set the renderers */
  80         GtkCellRenderer *renderer = gtk_cell_renderer_text_new();
  81         gtk_tree_view_column_pack_start(column, renderer, TRUE);
  82         gtk_tree_view_column_add_attribute(column, renderer, "text", 0);
  83
  84         /* Set selection mode to single select */
  85         GtkTreeSelection *selection = gtk_tree_view_get_selection(view);
  86         gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE);
  87
  88         g_signal_connect(selection, "changed", G_CALLBACK(style_tree_select_callback), glk);
  89 }
  90
  91 static void
  92 style_tree_select_callback(GtkTreeSelection *selection, ChimaraGlk *glk)
  93 {
  94         GtkTreeIter child, parent;
  95         gchar *child_name, *parent_name;
  96         GtkTreeModel *model;
  97
  98         if( !gtk_tree_selection_get_selected(selection, &model, &child) )
  99                 return;
 100
 101         gtk_tree_model_get(model, &child, 0, &child_name, -1);
 102
 103         if( !gtk_tree_model_iter_parent(model, &parent, &child) )
 104                 return;
 105
 106         gtk_tree_model_get(model, &parent, 0, &parent_name, -1);
 107         if( !strcmp(parent_name, "Text buffer") )
 108                 current_tag = chimara_glk_get_tag(glk, CHIMARA_GLK_TEXT_BUFFER, child_name);
 109         else
 110                 current_tag = chimara_glk_get_tag(glk, CHIMARA_GLK_TEXT_GRID, child_name);
 111 }
 112
 113 void
 114 on_toggle_left(GtkToggleAction *action, ChimaraGlk *glk) {
 115         /* No nothing if the button is deactivated */
 116         if( !gtk_toggle_action_get_active(action) )
 117                 return;
 118
 119         /* Untoggle other alignment options */
 120         GtkToggleToolButton *center = GTK_TOGGLE_TOOL_BUTTON(load_object("toolbutton-center"));
 121         GtkToggleToolButton *right = GTK_TOGGLE_TOOL_BUTTON(load_object("toolbutton-right"));
 122         GtkToggleToolButton *justify = GTK_TOGGLE_TOOL_BUTTON(load_object("toolbutton-justify"));
 123         gtk_toggle_tool_button_set_active(center, FALSE);
 124         gtk_toggle_tool_button_set_active(right, FALSE);
 125         gtk_toggle_tool_button_set_active(justify, FALSE);
 126
 127         g_object_set(current_tag, "justification", GTK_JUSTIFY_LEFT, "justification-set", TRUE, NULL);
 128         chimara_glk_update_style(glk);
 129 }
 130
 131 void
 132 on_toggle_center(GtkToggleAction *action, ChimaraGlk *glk) {
 133         if( !gtk_toggle_action_get_active(action) )
 134                 return;
 135
 136         /* Untoggle other alignment options */
 137         GtkToggleToolButton *left = GTK_TOGGLE_TOOL_BUTTON(load_object("toolbutton-left"));
 138         GtkToggleToolButton *right = GTK_TOGGLE_TOOL_BUTTON(load_object("toolbutton-right"));
 139         GtkToggleToolButton *justify = GTK_TOGGLE_TOOL_BUTTON(load_object("toolbutton-justify"));
 140         gtk_toggle_tool_button_set_active(left, FALSE);
 141         gtk_toggle_tool_button_set_active(right, FALSE);
 142         gtk_toggle_tool_button_set_active(justify, FALSE);
 143
 144         g_object_set(current_tag, "justification", GTK_JUSTIFY_CENTER, "justification-set", TRUE, NULL);
 145         chimara_glk_update_style(glk);
 146 }
 147
 148 void
 149 on_toggle_right(GtkToggleAction *action, ChimaraGlk *glk) {
 150         if( !gtk_toggle_action_get_active(action) )
 151                 return;
 152
 153         /* Untoggle other alignment options */
 154         GtkToggleToolButton *left = GTK_TOGGLE_TOOL_BUTTON(load_object("toolbutton-left"));
 155         GtkToggleToolButton *center = GTK_TOGGLE_TOOL_BUTTON(load_object("toolbutton-center"));
 156         GtkToggleToolButton *justify = GTK_TOGGLE_TOOL_BUTTON(load_object("toolbutton-justify"));
 157         gtk_toggle_tool_button_set_active(left, FALSE);
 158         gtk_toggle_tool_button_set_active(center, FALSE);
 159         gtk_toggle_tool_button_set_active(justify, FALSE);
 160
 161         g_object_set(current_tag, "justification", GTK_JUSTIFY_RIGHT, "justification-set", TRUE, NULL);
 162         chimara_glk_update_style(glk);
 163 }
 164
 165 void
 166 on_toggle_justify(GtkToggleAction *action, ChimaraGlk *glk) {
 167         if( !gtk_toggle_action_get_active(action) )
 168                 return;
 169
 170         /* Untoggle other alignment options */
 171         GtkToggleToolButton *left = GTK_TOGGLE_TOOL_BUTTON(load_object("toolbutton-left"));
 172         GtkToggleToolButton *center = GTK_TOGGLE_TOOL_BUTTON(load_object("toolbutton-center"));
 173         GtkToggleToolButton *right = GTK_TOGGLE_TOOL_BUTTON(load_object("toolbutton-right"));
 174         gtk_toggle_tool_button_set_active(left, FALSE);
 175         gtk_toggle_tool_button_set_active(center, FALSE);
 176         gtk_toggle_tool_button_set_active(right, FALSE);
 177
 178         g_object_set(current_tag, "justification", GTK_JUSTIFY_FILL, "justification-set", TRUE, NULL);
 179         chimara_glk_update_style(glk);
 180 }
 181
 182 void
 183 on_toggle_bold(GtkToggleAction *action, ChimaraGlk *glk) {
 184         if( gtk_toggle_action_get_active(action) )
 185                 g_object_set(current_tag, "weight", PANGO_WEIGHT_BOLD, "weight-set", TRUE, NULL);
 186         else
 187                 g_object_set(current_tag, "weight", PANGO_WEIGHT_NORMAL, "weight-set", TRUE, NULL);
 188
 189         chimara_glk_update_style(glk);
 190 }
 191
 192 void
 193 on_toggle_italic(GtkToggleAction *action, ChimaraGlk *glk) {
 194         if( gtk_toggle_action_get_active(action) )
 195                 g_object_set(current_tag, "style", PANGO_STYLE_ITALIC, "style-set", TRUE, NULL);
 196         else
 197                 g_object_set(current_tag, "style", PANGO_STYLE_NORMAL, "style-set", TRUE, NULL);
 198
 199         chimara_glk_update_style(glk);
 200 }
 201
 202 void
 203 on_toggle_underline(GtkToggleAction *action, ChimaraGlk *glk) {
 204         if( gtk_toggle_action_get_active(action) )
 205                 g_object_set(current_tag, "underline", PANGO_UNDERLINE_SINGLE, "underline-set", TRUE, NULL);
 206         else
 207                 g_object_set(current_tag, "underline", PANGO_UNDERLINE_NONE, "underline-set", TRUE, NULL);
 208
 209         chimara_glk_update_style(glk);
 210 }
 211
 212 void
 213 on_foreground_color_set(GtkColorButton *button, ChimaraGlk *glk)
 214 {
 215         GdkColor color;
 216     gtk_color_button_get_color(button, &color);
 217         g_object_set(current_tag, "foreground-gdk", &color, "foreground-set", TRUE, NULL);
 218         chimara_glk_update_style(glk);
 219 }
 220
 221 void
 222 on_background_color_set(GtkColorButton *button, ChimaraGlk *glk)
 223 {
 224         GdkColor color;
 225     gtk_color_button_get_color(button, &color);
 226         g_object_set(current_tag, "background-gdk", &color, "background-set", TRUE, NULL);
 227         chimara_glk_update_style(glk);
 228 }
 229
 230 void
 231 on_font_set(GtkFontButton *button, ChimaraGlk *glk)
 232 {
 233         const gchar *font_name = gtk_font_button_get_font_name(button);
 234         PangoFontDescription *font_description = pango_font_description_from_string(font_name);
 235         g_object_set(current_tag, "font-desc", font_description, NULL);
 236         chimara_glk_update_style(glk);
 237 }