ref: 7bb12317044d04b539649041eb3ea69350a1320b
dir: /src/setup/txt_mouseinput.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 <stdio.h> #include <stdlib.h> #include <string.h> #include "doomkeys.h" #include "m_misc.h" #include "txt_mouseinput.h" #include "txt_gui.h" #include "txt_io.h" #include "txt_label.h" #include "txt_utf8.h" #include "txt_window.h" // eg. "BUTTON #10" #define MOUSE_INPUT_WIDTH 10 static int MousePressCallback(txt_window_t *window, int x, int y, int b, TXT_UNCAST_ARG(mouse_input)) { TXT_CAST_ARG(txt_mouse_input_t, mouse_input); // Got the mouse press. Save to the variable and close the window. *mouse_input->variable = b - TXT_MOUSE_BASE; if (mouse_input->check_conflicts) { TXT_EmitSignal(mouse_input, "set"); } TXT_CloseWindow(window); return 1; } static void OpenPromptWindow(txt_mouse_input_t *mouse_input) { txt_window_t *window; // Silently update when the shift key is held down. mouse_input->check_conflicts = !TXT_GetModifierState(TXT_MOD_SHIFT); window = TXT_MessageBox(NULL, "Press the new mouse button..."); TXT_SetMouseListener(window, MousePressCallback, mouse_input); } static void TXT_MouseInputSizeCalc(TXT_UNCAST_ARG(mouse_input)) { TXT_CAST_ARG(txt_mouse_input_t, mouse_input); // All mouseinputs are the same size. mouse_input->widget.w = MOUSE_INPUT_WIDTH; mouse_input->widget.h = 1; } static void GetMouseButtonDescription(int button, char *buf, size_t buf_len) { switch (button) { case 0: M_StringCopy(buf, "LEFT", buf_len); break; case 1: M_StringCopy(buf, "RIGHT", buf_len); break; case 2: M_StringCopy(buf, "MID", buf_len); break; case 3: M_StringCopy(buf, "WHEEL UP", buf_len); break; case 4: M_StringCopy(buf, "WHEEL DOWN", buf_len); break; default: M_snprintf(buf, buf_len, "BUTTON #%i", button - 1); break; } } static void TXT_MouseInputDrawer(TXT_UNCAST_ARG(mouse_input)) { TXT_CAST_ARG(txt_mouse_input_t, mouse_input); char buf[20]; int i; if (*mouse_input->variable < 0) { M_StringCopy(buf, "(none)", sizeof(buf)); } else { GetMouseButtonDescription(*mouse_input->variable, buf, sizeof(buf)); } TXT_SetWidgetBG(mouse_input); TXT_FGColor(TXT_COLOR_BRIGHT_WHITE); TXT_DrawString(buf); for (i = TXT_UTF8_Strlen(buf); i < MOUSE_INPUT_WIDTH; ++i) { TXT_DrawString(" "); } } static void TXT_MouseInputDestructor(TXT_UNCAST_ARG(mouse_input)) { } static int TXT_MouseInputKeyPress(TXT_UNCAST_ARG(mouse_input), int key) { TXT_CAST_ARG(txt_mouse_input_t, mouse_input); if (key == KEY_ENTER) { // Open a window to prompt for the new mouse press OpenPromptWindow(mouse_input); return 1; } if (key == KEY_BACKSPACE || key == KEY_DEL) { *mouse_input->variable = -1; } return 0; } static void TXT_MouseInputMousePress(TXT_UNCAST_ARG(widget), int x, int y, int b) { TXT_CAST_ARG(txt_mouse_input_t, widget); // Clicking is like pressing enter if (b == TXT_MOUSE_LEFT) { TXT_MouseInputKeyPress(widget, KEY_ENTER); } } txt_widget_class_t txt_mouse_input_class = { TXT_AlwaysSelectable, TXT_MouseInputSizeCalc, TXT_MouseInputDrawer, TXT_MouseInputKeyPress, TXT_MouseInputDestructor, TXT_MouseInputMousePress, NULL, }; txt_mouse_input_t *TXT_NewMouseInput(int *variable) { txt_mouse_input_t *mouse_input; mouse_input = malloc(sizeof(txt_mouse_input_t)); TXT_InitWidget(mouse_input, &txt_mouse_input_class); mouse_input->variable = variable; return mouse_input; }