client/gui-sdl/themecolors.c

   1 /**********************************************************************
   2  Freeciv - Copyright (C) 2005 - The Freeciv Project
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; either version 2, or (at your option)
   6    any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12 ***********************************************************************/
  13
  14 #ifdef HAVE_CONFIG_H
  15 #include <fc_config.h>
  16 #endif
  17
  18 /* utility */
  19 #include "mem.h"
  20
  21 /* client/gui-sdl */
  22 #include "colors.h"
  23 #include "themespec.h"
  24
  25 #include "themecolors.h"
  26
  27 /* An RGBAcolor contains the R,G,B,A bitvalues for a color.  The color itself
  28  * holds the color structure for this color but may be NULL (it's allocated
  29  * on demand at runtime). */
  30 struct rgbacolor {
  31   int r, g, b, a;
  32   struct color *color;
  33 };
  34
  35 struct theme_color_system {
  36   struct rgbacolor colors[COLOR_THEME_LAST];
  37 };
  38
  39 static char *color_names[] = {
  40   "background",
  41   "checkbox_label_text",
  42   "custom_widget_normal_text",
  43   "custom_widget_selected_frame",
  44   "custom_widget_selected_text",
  45   "custom_widget_pressed_frame",
  46   "custom_widget_pressed_text",
  47   "custom_widget_disabled_text",
  48   "editfield_caret",
  49   "label_bar",
  50   "quick_info_bg",
  51   "quick_info_frame",
  52   "quick_info_text",
  53   "selectionrectangle",
  54   "text",
  55   "themelabel2_bg",
  56   "widget_normal_text",
  57   "widget_selected_text",
  58   "widget_pressed_text",
  59   "widget_disabled_text",
  60   "window_titlebar_separator",
  61
  62   "advancedterraindlg_text",
  63
  64
  65   "citydlg_buy",
  66   "citydlg_celeb",
  67   "citydlg_corruption",
  68   "citydlg_foodperturn",
  69   "citydlg_foodstock",
  70   "citydlg_food_surplus",
  71   "citydlg_frame",
  72   "citydlg_gold",
  73   "citydlg_granary",
  74   "citydlg_growth",
  75   "citydlg_happy",
  76   "citydlg_impr",
  77   "citydlg_infopanel",
  78   "citydlg_lux",
  79   "citydlg_panel",
  80   "citydlg_prod",
  81   "citydlg_science",
  82   "citydlg_sell",
  83   "citydlg_shieldstock",
  84   "citydlg_stocks",
  85   "citydlg_support",
  86   "citydlg_trade",
  87   "citydlg_upkeep",
  88   "cityrep_foodstock",
  89   "cityrep_frame",
  90   "cityrep_prod",
  91   "cityrep_text",
  92   "cityrep_trade",
  93   "cma_frame",
  94   "cma_text",
  95   "connectdlg_frame",
  96   "connectdlg_innerframe",
  97   "connectdlg_labelframe",
  98   "connlistdlg_frame",
  99   "diplodlg_meeting_heading_text",
 100   "diplodlg_meeting_text",
 101   "diplodlg_text",
 102   "economydlg_frame",
 103   "economydlg_neg_text",
 104   "economydlg_text",
 105   "helpdlg_frame",
 106   "helpdlg_line",
 107   "helpdlg_line2",
 108   "helpdlg_line3",
 109   "helpdlg_text",
 110   "joingamedlg_frame",
 111   "joingamedlg_text",
 112   "mapview_info_frame",
 113   "mapview_info_text",
 114   "mapview_unitinfo_text",
 115   "mapview_unitinfo_veteran_text",
 116   "meswin_active_text",
 117   "meswin_active_text2",
 118   "meswin_frame",
 119   "nationdlg_frame",
 120   "nationdlg_legend",
 121   "nationdlg_text",
 122   "newcitydlg_text",
 123   "optiondlg_worklistlist_frame",
 124   "optiondlg_worklistlist_text",
 125   "plrdlg_alliance",
 126   "plrdlg_armistice",
 127   "plrdlg_ceasefire",
 128   "plrdlg_frame",
 129   "plrdlg_peace",
 130   "plrdlg_text",
 131   "plrdlg_war",
 132   "plrdlg_war_restricted",
 133   "revolutiondlg_text",
 134   "sabotagedlg_separator",
 135   "sciencedlg_frame",
 136   "sciencedlg_med_techicon_bg",
 137   "sciencedlg_text",
 138   "sellimpr_text",
 139   "unitsrep_frame",
 140   "unitsrep_text",
 141   "unitupgrade_text",
 142   "unitdisband_text",
 143   "userpasswddlg_frame",
 144   "userpasswddlg_text",
 145   "wardlg_text",
 146   "wldlg_frame",
 147 };
 148
 149 struct theme_color_system *theme_color_system_read(struct section_file *file)
 150 {
 151   int i;
 152   struct theme_color_system *colors = fc_malloc(sizeof(*colors));
 153
 154   fc_assert_ret_val(ARRAY_SIZE(color_names) == COLOR_THEME_LAST, NULL);
 155   for (i = 0; i < COLOR_THEME_LAST; i++) {
 156     colors->colors[i].r
 157       = secfile_lookup_int_default(file, 0, "colors.%s0.r", color_names[i]);
 158     colors->colors[i].g
 159       = secfile_lookup_int_default(file, 0, "colors.%s0.g", color_names[i]);
 160     colors->colors[i].b
 161       = secfile_lookup_int_default(file, 0, "colors.%s0.b", color_names[i]);
 162     colors->colors[i].a
 163       = secfile_lookup_int_default(file, 0, "colors.%s0.a", color_names[i]);
 164     colors->colors[i].color = NULL;
 165   }
 166
 167   return colors;
 168 }
 169
 170 /****************************************************************************
 171   Called when the client first starts to free any allocated colors.
 172 ****************************************************************************/
 173 void theme_color_system_free(struct theme_color_system *colors)
 174 {
 175   int i;
 176
 177   for (i = 0; i < COLOR_THEME_LAST; i++) {
 178     if (colors->colors[i].color) {
 179       color_free(colors->colors[i].color);
 180     }
 181   }
 182
 183   free(colors);
 184 }
 185
 186 /****************************************************************************
 187   Return the RGBA color, allocating it if necessary.
 188 ****************************************************************************/
 189 static struct color *ensure_color_rgba(struct rgbacolor *rgba)
 190 {
 191   if (!rgba->color) {
 192     rgba->color = color_alloc_rgba(rgba->r, rgba->g, rgba->b, rgba->a);
 193   }
 194   return rgba->color;
 195 }
 196
 197 /****************************************************************************
 198   Return a pointer to the given "theme" color.
 199 ****************************************************************************/
 200 struct color *theme_get_color(const struct theme *t, enum theme_color color)
 201 {
 202   return ensure_color_rgba(&theme_get_color_system(t)->colors[color]);
 203 }