ref: cce8a64366e8ab6634f1d09bdbae0d9e8c4865ad
dir: /textscreen/txt_window_action.c/
// // Copyright(C) 2005-2014 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. // #include <stdlib.h> #include <string.h> #include <ctype.h> #include "doomkeys.h" #include "txt_window_action.h" #include "txt_gui.h" #include "txt_io.h" #include "txt_main.h" #include "txt_window.h" static void TXT_WindowActionSizeCalc(TXT_UNCAST_ARG(action)) { TXT_CAST_ARG(txt_window_action_t, action); char buf[10]; TXT_GetKeyDescription(action->key, buf, sizeof(buf)); // Width is label length, plus key description length, plus '=' // and two surrounding spaces. action->widget.w = strlen(action->label) + strlen(buf) + 3; action->widget.h = 1; } static void TXT_WindowActionDrawer(TXT_UNCAST_ARG(action)) { TXT_CAST_ARG(txt_window_action_t, action); char buf[10]; TXT_GetKeyDescription(action->key, buf, sizeof(buf)); if (TXT_HoveringOverWidget(action)) { TXT_BGColor(TXT_COLOR_BLACK, 0); } TXT_DrawString(" "); TXT_FGColor(TXT_COLOR_BRIGHT_GREEN); TXT_DrawString(buf); TXT_FGColor(TXT_COLOR_BRIGHT_CYAN); TXT_DrawString("="); TXT_FGColor(TXT_COLOR_BRIGHT_WHITE); TXT_DrawString(action->label); TXT_DrawString(" "); } static void TXT_WindowActionDestructor(TXT_UNCAST_ARG(action)) { TXT_CAST_ARG(txt_window_action_t, action); free(action->label); } static int TXT_WindowActionKeyPress(TXT_UNCAST_ARG(action), int key) { TXT_CAST_ARG(txt_window_action_t, action); if (tolower(key) == tolower(action->key)) { TXT_EmitSignal(action, "pressed"); return 1; } return 0; } static void TXT_WindowActionMousePress(TXT_UNCAST_ARG(action), int x, int y, int b) { TXT_CAST_ARG(txt_window_action_t, action); // Simulate a press of the key if (b == TXT_MOUSE_LEFT) { TXT_WindowActionKeyPress(action, action->key); } } txt_widget_class_t txt_window_action_class = { TXT_AlwaysSelectable, TXT_WindowActionSizeCalc, TXT_WindowActionDrawer, TXT_WindowActionKeyPress, TXT_WindowActionDestructor, TXT_WindowActionMousePress, NULL, }; txt_window_action_t *TXT_NewWindowAction(int key, const char *label) { txt_window_action_t *action; action = malloc(sizeof(txt_window_action_t)); TXT_InitWidget(action, &txt_window_action_class); action->key = key; action->label = strdup(label); return action; } static void WindowCloseCallback(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(window)) { TXT_CAST_ARG(txt_window_t, window); TXT_CloseWindow(window); } static void WindowSelectCallback(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(window)) { TXT_CAST_ARG(txt_window_t, window); TXT_WidgetKeyPress(window, KEY_ENTER); } // An action with the name "close" the closes the window txt_window_action_t *TXT_NewWindowEscapeAction(txt_window_t *window) { txt_window_action_t *action; action = TXT_NewWindowAction(KEY_ESCAPE, "Close"); TXT_SignalConnect(action, "pressed", WindowCloseCallback, window); return action; } // Exactly the same as the above, but the button is named "abort" txt_window_action_t *TXT_NewWindowAbortAction(txt_window_t *window) { txt_window_action_t *action; action = TXT_NewWindowAction(KEY_ESCAPE, "Abort"); TXT_SignalConnect(action, "pressed", WindowCloseCallback, window); return action; } txt_window_action_t *TXT_NewWindowSelectAction(txt_window_t *window) { txt_window_action_t *action; action = TXT_NewWindowAction(KEY_ENTER, "Select"); TXT_SignalConnect(action, "pressed", WindowSelectCallback, window); return action; }