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338 lines
11 KiB
C
338 lines
11 KiB
C
// swad_theme.c: themes (colour layouts)
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/*
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SWAD (Shared Workspace At a Distance),
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is a web platform developed at the University of Granada (Spain),
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and used to support university teaching.
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This file is part of SWAD core.
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Copyright (C) 1999-2024 Antonio Cañas Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/********************************** Headers **********************************/
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/*****************************************************************************/
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#define _GNU_SOURCE // For asprintf
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#include <stdio.h> // For asprintf
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#include <stdlib.h> // For free
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#include <string.h>
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#include "swad_action_list.h"
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#include "swad_box.h"
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#include "swad_config.h"
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#include "swad_database.h"
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#include "swad_error.h"
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#include "swad_figure.h"
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#include "swad_form.h"
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#include "swad_global.h"
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#include "swad_HTML.h"
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#include "swad_layout.h"
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#include "swad_parameter.h"
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#include "swad_setting.h"
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#include "swad_setting_database.h"
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#include "swad_theme.h"
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#include "swad_user_database.h"
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/*****************************************************************************/
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/*************** External global variables from others modules ***************/
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/*****************************************************************************/
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extern struct Globals Gbl;
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/*****************************************************************************/
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/******************************** Private constants **************************/
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/*****************************************************************************/
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#define The_MAX_BYTES_THEME_ID 16
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const char *The_ThemeId[The_NUM_THEMES] =
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{
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[The_THEME_WHITE ] = "white",
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[The_THEME_GREY ] = "grey",
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[The_THEME_PURPLE] = "purple",
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[The_THEME_BLUE ] = "blue",
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[The_THEME_YELLOW] = "yellow",
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[The_THEME_PINK ] = "pink",
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[The_THEME_DARK ] = "dark",
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};
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const char *The_ThemeNames[The_NUM_THEMES] =
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{
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[The_THEME_WHITE ] = "White",
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[The_THEME_GREY ] = "Grey",
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[The_THEME_PURPLE] = "Purple",
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[The_THEME_BLUE ] = "Blue",
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[The_THEME_YELLOW] = "Yellow",
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[The_THEME_PINK ] = "Pink",
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[The_THEME_DARK ] = "Dark",
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};
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/*****************************************************************************/
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/****************************** Private prototypes ***************************/
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/*****************************************************************************/
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static void The_PutIconsTheme (__attribute__((unused)) void *Args);
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/*****************************************************************************/
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/************************ Put icons to select a theme ***********************/
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/*****************************************************************************/
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void The_PutIconsToSelectTheme (void)
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{
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extern const char *Hlp_PROFILE_Settings_theme;
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extern const char *Txt_Theme_SKIN;
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The_Theme_t Theme;
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char Icon[PATH_MAX + 1];
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Box_BoxBegin (Txt_Theme_SKIN,The_PutIconsTheme,NULL,
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Hlp_PROFILE_Settings_theme,Box_NOT_CLOSABLE);
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Set_BeginSettingsHead ();
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Set_BeginOneSettingSelector ();
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for (Theme = (The_Theme_t) 0;
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Theme <= (The_Theme_t) (The_NUM_THEMES - 1);
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Theme++)
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{
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Set_BeginPref (Theme == Gbl.Prefs.Theme);
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Frm_BeginForm (ActChgThe);
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Par_PutParString (NULL,"Theme",The_ThemeId[Theme]);
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snprintf (Icon,sizeof (Icon),"%s/%s/theme_32x20.gif",
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Cfg_ICON_FOLDER_THEMES,The_ThemeId[Theme]);
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Ico_PutSettingIconLink (Icon,Ico_UNCHANGED,The_ThemeNames[Theme]);
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Frm_EndForm ();
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Set_EndPref ();
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}
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Set_EndOneSettingSelector ();
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Set_EndSettingsHead ();
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Box_BoxEnd ();
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}
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/*****************************************************************************/
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/****************** Put contextual icons in theme setting ********************/
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/*****************************************************************************/
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static void The_PutIconsTheme (__attribute__((unused)) void *Args)
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{
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/***** Put icon to show a figure *****/
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Fig_PutIconToShowFigure (Fig_THEMES);
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}
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/*****************************************************************************/
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/********************************* Change theme ******************************/
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/*****************************************************************************/
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void The_ChangeTheme (void)
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{
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/***** Get param theme *****/
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Gbl.Prefs.Theme = The_GetParTheme ();
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/***** Store theme in database *****/
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if (Gbl.Usrs.Me.Logged)
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Set_DB_UpdateMySettingsAboutTheme (The_ThemeId[Gbl.Prefs.Theme]);
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/***** Set settings from current IP *****/
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Set_SetSettingsFromIP ();
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}
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/*****************************************************************************/
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/***************************** Get parameter theme ***************************/
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/*****************************************************************************/
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The_Theme_t The_GetParTheme (void)
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{
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char ThemeId[The_MAX_BYTES_THEME_ID + 1];
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The_Theme_t Theme;
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Par_GetParText ("Theme",ThemeId,The_MAX_BYTES_THEME_ID);
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for (Theme = (The_Theme_t) 0;
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Theme <= (The_Theme_t) (The_NUM_THEMES - 1);
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Theme++)
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if (!strcmp (ThemeId,The_ThemeId[Theme]))
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return Theme;
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return The_THEME_DEFAULT;
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}
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/*****************************************************************************/
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/**************************** Get theme from string **************************/
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/*****************************************************************************/
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The_Theme_t The_GetThemeFromStr (const char *Str)
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{
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The_Theme_t Theme;
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for (Theme = (The_Theme_t) 0;
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Theme <= (The_Theme_t) (The_NUM_THEMES - 1);
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Theme++)
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if (!strcasecmp (Str,The_ThemeId[Theme]))
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return Theme;
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return The_THEME_DEFAULT;
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}
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/*****************************************************************************/
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/******************* Get theme name for CSS class suffix *********************/
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/*****************************************************************************/
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static const char *The_CSS_Suffix[The_NUM_THEMES] =
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{
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[The_THEME_WHITE ] = "WHITE",
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[The_THEME_GREY ] = "GREY",
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[The_THEME_PURPLE] = "PURPLE",
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[The_THEME_BLUE ] = "BLUE",
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[The_THEME_YELLOW] = "YELLOW",
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[The_THEME_PINK ] = "PINK",
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[The_THEME_DARK ] = "DARK",
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};
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const char *The_GetSuffix (void)
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{
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return The_CSS_Suffix[Gbl.Prefs.Theme];
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}
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/*****************************************************************************/
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/******** Get background colors for rows depending on selected theme *********/
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/*****************************************************************************/
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static unsigned The_RowEvenOdd[3] = // To alternate row colors in listings
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{
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0,
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0,
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0,
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};
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static const char *The_ClassColorRows[2][The_NUM_THEMES] =
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{
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[0][The_THEME_WHITE ] = "COLOR0_WHITE",
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[0][The_THEME_GREY ] = "COLOR0_GREY",
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[0][The_THEME_PURPLE] = "COLOR0_PURPLE",
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[0][The_THEME_BLUE ] = "COLOR0_BLUE",
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[0][The_THEME_YELLOW] = "COLOR0_YELLOW",
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[0][The_THEME_PINK ] = "COLOR0_PINK",
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[0][The_THEME_DARK ] = "COLOR0_DARK",
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[1][The_THEME_WHITE ] = "COLOR1_WHITE",
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[1][The_THEME_GREY ] = "COLOR1_GREY",
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[1][The_THEME_PURPLE] = "COLOR1_PURPLE",
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[1][The_THEME_BLUE ] = "COLOR1_BLUE",
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[1][The_THEME_YELLOW] = "COLOR1_YELLOW",
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[1][The_THEME_PINK ] = "COLOR1_PINK",
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[1][The_THEME_DARK ] = "COLOR1_DARK",
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};
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const char *The_GetColorRows (void)
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{
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return The_GetColorRows1 (0);
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}
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const char *The_GetColorRows1 (unsigned Level)
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{
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return The_ClassColorRows[The_RowEvenOdd[Level]][Gbl.Prefs.Theme];
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}
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void The_ResetRowColor (void)
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{
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The_ResetRowColor1 (0);
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}
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void The_ResetRowColor1 (unsigned Level)
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{
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The_RowEvenOdd[Level] = 0;
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}
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void The_ChangeRowColor (void)
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{
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The_ChangeRowColor1 (0);
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}
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void The_ChangeRowColor1 (unsigned Level)
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{
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The_RowEvenOdd[Level] = 1 - The_RowEvenOdd[Level];
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}
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/*****************************************************************************/
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/********** Get and show number of users who have chosen a theme *************/
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/*****************************************************************************/
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void The_GetAndShowNumUsrsPerTheme (void)
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{
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extern const char *Hlp_ANALYTICS_Figures_theme;
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extern const char *The_ThemeId[The_NUM_THEMES];
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extern const char *The_ThemeNames[The_NUM_THEMES];
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extern const char *Txt_FIGURE_TYPES[Fig_NUM_FIGURES];
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extern const char *Txt_Theme_SKIN;
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extern const char *Txt_Number_of_users;
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extern const char *Txt_PERCENT_of_users;
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The_Theme_t Theme;
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char *SubQuery;
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char *URL;
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unsigned NumUsrs[The_NUM_THEMES];
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unsigned NumUsrsTotal = 0;
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/***** Begin box and table *****/
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Box_BoxTableBegin (Txt_FIGURE_TYPES[Fig_THEMES],NULL,NULL,
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Hlp_ANALYTICS_Figures_theme,Box_NOT_CLOSABLE,2);
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/***** Heading row *****/
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HTM_TR_Begin (NULL);
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HTM_TH (Txt_Theme_SKIN ,HTM_HEAD_LEFT);
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HTM_TH (Txt_Number_of_users ,HTM_HEAD_RIGHT);
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HTM_TH (Txt_PERCENT_of_users,HTM_HEAD_RIGHT);
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HTM_TR_End ();
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/***** For each theme... *****/
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for (Theme = (The_Theme_t) 0;
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Theme <= (The_Theme_t) (The_NUM_THEMES - 1);
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Theme++)
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{
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/* Get number of users who have chosen this theme from database */
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if (asprintf (&SubQuery,"usr_data.Theme='%s'",
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The_ThemeId[Theme]) < 0)
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Err_NotEnoughMemoryExit ();
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NumUsrs[Theme] = Usr_DB_GetNumUsrsWhoChoseAnOption (SubQuery);
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free (SubQuery);
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/* Update total number of users */
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NumUsrsTotal += NumUsrs[Theme];
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}
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/***** Write number of users who have chosen each theme *****/
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for (Theme = (The_Theme_t) 0;
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Theme <= (The_Theme_t) (The_NUM_THEMES - 1);
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Theme++)
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{
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HTM_TR_Begin (NULL);
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HTM_TD_Begin ("class=\"CM\"");
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if (asprintf (&URL,"%s/%s",
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Cfg_URL_ICON_THEMES_PUBLIC,The_ThemeId[Theme]) < 0)
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Err_NotEnoughMemoryExit ();
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HTM_IMG (URL,"theme_32x20.gif",The_ThemeNames[Theme],
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"style=\"width:40px;height:25px;\"");
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free (URL);
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HTM_TD_End ();
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HTM_TD_Unsigned (NumUsrs[Theme]);
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HTM_TD_Percentage (NumUsrs[Theme],NumUsrsTotal);
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HTM_TR_End ();
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}
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/***** End table and box *****/
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Box_BoxTableEnd ();
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}
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