142 lines
3.1 KiB
C
142 lines
3.1 KiB
C
//
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// Copyright(C) 2005-2014 Simon Howard
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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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 General Public License for more details.
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//
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#include <stdlib.h>
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#include <string.h>
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#include "doomkeys.h"
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#include "txt_checkbox.h"
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#include "txt_gui.h"
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#include "txt_io.h"
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#include "txt_main.h"
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#include "txt_window.h"
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static void TXT_CheckBoxSizeCalc(TXT_UNCAST_ARG(checkbox))
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{
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TXT_CAST_ARG(txt_checkbox_t, checkbox);
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// Minimum width is the string length + right-side space for padding
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checkbox->widget.w = strlen(checkbox->label) + 5;
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checkbox->widget.h = 1;
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}
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static void TXT_CheckBoxDrawer(TXT_UNCAST_ARG(checkbox))
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{
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TXT_CAST_ARG(txt_checkbox_t, checkbox);
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txt_saved_colors_t colors;
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int i;
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int w;
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w = checkbox->widget.w;
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TXT_SaveColors(&colors);
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TXT_FGColor(TXT_COLOR_BRIGHT_CYAN);
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TXT_DrawString("(");
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TXT_FGColor(TXT_COLOR_BRIGHT_WHITE);
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if ((*checkbox->variable != 0) ^ checkbox->inverted)
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{
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TXT_DrawString("\x07");
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}
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else
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{
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TXT_DrawString(" ");
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}
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TXT_FGColor(TXT_COLOR_BRIGHT_CYAN);
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TXT_DrawString(") ");
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TXT_RestoreColors(&colors);
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TXT_SetWidgetBG(checkbox);
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TXT_DrawString(checkbox->label);
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for (i=strlen(checkbox->label); i < w-5; ++i)
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{
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TXT_DrawString(" ");
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}
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}
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static void TXT_CheckBoxDestructor(TXT_UNCAST_ARG(checkbox))
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{
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TXT_CAST_ARG(txt_checkbox_t, checkbox);
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free(checkbox->label);
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}
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static int TXT_CheckBoxKeyPress(TXT_UNCAST_ARG(checkbox), int key)
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{
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TXT_CAST_ARG(txt_checkbox_t, checkbox);
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if (key == KEY_ENTER || key == ' ')
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{
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*checkbox->variable = !*checkbox->variable;
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TXT_EmitSignal(checkbox, "changed");
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return 1;
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}
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return 0;
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}
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static void TXT_CheckBoxMousePress(TXT_UNCAST_ARG(checkbox), int x, int y, int b)
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{
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TXT_CAST_ARG(txt_checkbox_t, checkbox);
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if (b == TXT_MOUSE_LEFT)
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{
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// Equivalent to pressing enter
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TXT_CheckBoxKeyPress(checkbox, KEY_ENTER);
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}
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}
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txt_widget_class_t txt_checkbox_class =
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{
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TXT_AlwaysSelectable,
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TXT_CheckBoxSizeCalc,
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TXT_CheckBoxDrawer,
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TXT_CheckBoxKeyPress,
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TXT_CheckBoxDestructor,
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TXT_CheckBoxMousePress,
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NULL,
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};
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txt_checkbox_t *TXT_NewCheckBox(char *label, int *variable)
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{
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txt_checkbox_t *checkbox;
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checkbox = malloc(sizeof(txt_checkbox_t));
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TXT_InitWidget(checkbox, &txt_checkbox_class);
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checkbox->label = strdup(label);
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checkbox->variable = variable;
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checkbox->inverted = 0;
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return checkbox;
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}
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txt_checkbox_t *TXT_NewInvertedCheckBox(char *label, int *variable)
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{
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txt_checkbox_t *result;
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result = TXT_NewCheckBox(label, variable);
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result->inverted = 1;
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return result;
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}
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