diff options
Diffstat (limited to 'textscreen/txt_window.c')
| -rw-r--r-- | textscreen/txt_window.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/textscreen/txt_window.c b/textscreen/txt_window.c new file mode 100644 index 00000000..b50da9b4 --- /dev/null +++ b/textscreen/txt_window.c @@ -0,0 +1,195 @@ +// Emacs style mode select -*- C++ -*- +//----------------------------------------------------------------------------- +// +// $Id$ +// +// Copyright(C) 1993-1996 Id Software, Inc. +// Copyright(C) 2006 Simon Howard +// +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License +// as published by the Free Software Foundation; either version 2 +// of the License, or (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +// 02111-1307, USA. +// + +#include <stdlib.h> +#include <string.h> + +#include "txt_gui.h" +#include "txt_separator.h" +#include "txt_window.h" + +#define MAXWINDOWS 128 + +static txt_window_t *all_windows[MAXWINDOWS]; +static int num_windows = 0; + +static void AddWindow(txt_window_t *win) +{ + all_windows[num_windows] = win; + ++num_windows; +} + +static void RemoveWindow(txt_window_t *win) +{ + int from, to; + + for (from=0, to=0; from<num_windows; ++from) + { + if (all_windows[from] != win) + { + all_windows[to] = all_windows[from]; + ++to; + } + } + + num_windows = to; +} + +txt_window_t *TXT_NewWindow(char *title, int x, int y) +{ + txt_window_t *win; + + win = malloc(sizeof(txt_window_t)); + + win->title = strdup(title); + win->x = x; + win->y = y; + win->widgets = NULL; + win->num_widgets = 0; + win->selected = 0; + + AddWindow(win); + + return win; +} + +void TXT_CloseWindow(txt_window_t *window) +{ + int i; + + // Free all widgets + + for (i=0; i<window->num_widgets; ++i) + { + TXT_DestroyWidget(window->widgets[i]); + } + + // Free window resources + + free(window->widgets); + free(window->title); + free(window); + + RemoveWindow(window); +} + +static void TXT_WindowSize(txt_window_t *window, int *w, int *h) +{ + int max_width; + int i; + int ww; + + max_width = 10; + + for (i=0; i<window->num_widgets; ++i) + { + ww = TXT_WidgetWidth(window->widgets[i]); + + if (ww > max_width) + max_width = ww; + } + + *w = max_width; + *h = window->num_widgets; +} + +static void DrawWindow(txt_window_t *window) +{ + int widgets_w, widgets_h; + int window_w, window_h; + int x, y; + int window_x, window_y; + int i; + + TXT_WindowSize(window, &widgets_w, &widgets_h); + + // Actual window size after padding + + window_w = widgets_w + 2; + window_h = widgets_h + 5; + + // Use the x,y position as the centerpoint and find the location to + // draw the window. + + window_x = window->x - (window_w / 2); + window_y = window->y - (window_h / 2); + + // Draw the window + + TXT_DrawWindow(window->title, window_x, window_y, window_w, window_h); + + // Draw all widgets + + for (i=0; i<window->num_widgets; ++i) + { + TXT_GotoXY(window_x + 1, window_y + 2 + i); + TXT_DrawWidget(window->widgets[i], widgets_w, i == window->selected); + } + + // Separator for action area + + TXT_DrawSeparator(window_x, window_y + 2 + window->num_widgets, window_w); +} + +void TXT_DrawAllWindows(void) +{ + int i; + + TXT_DrawDesktop("Not Chocolate Doom setup"); + + for (i=0; i<num_windows; ++i) + { + DrawWindow(all_windows[i]); + } + + TXT_UpdateScreen(); +} + +void TXT_AddWidget(txt_window_t *window, txt_widget_t *widget) +{ + if (window->num_widgets == 0) + { + // This is the first widget added. + // + // The first widget in a window should always be a separator. + // If we are not adding a separator now, add one in first. + + if (widget->widget_class != &txt_separator_class) + { + txt_separator_t *separator; + + separator = TXT_NewSeparator(NULL); + + window->widgets = malloc(sizeof(txt_widget_t *)); + window->widgets[0] = &separator->widget; + window->num_widgets = 1; + } + } + + window->widgets = realloc(window->widgets, + sizeof(txt_widget_t *) * (window->num_widgets + 1)); + window->widgets[window->num_widgets] = widget; + ++window->num_widgets; +} + |