setup/txt_mouseinput.c

   1 // Emacs style mode select   -*- C++ -*-
   2 //-----------------------------------------------------------------------------
   3 //
   4 // Copyright(C) 2006 Simon Howard
   5 //
   6 // This program is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU General Public License
   8 // as published by the Free Software Foundation; either version 2
   9 // of the License, or (at your option) any later version.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software
  18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  19 // 02111-1307, USA.
  20 //
  21
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25
  26 #include "doomkeys.h"
  27
  28 #include "txt_mouseinput.h"
  29 #include "txt_gui.h"
  30 #include "txt_io.h"
  31 #include "txt_label.h"
  32 #include "txt_window.h"
  33
  34 #define MOUSE_INPUT_WIDTH 8
  35
  36 static int MousePressCallback(txt_window_t *window,
  37                               int x, int y, int b,
  38                               TXT_UNCAST_ARG(mouse_input))
  39 {
  40     TXT_CAST_ARG(txt_mouse_input_t, mouse_input);
  41
  42     // Got the mouse press.  Save to the variable and close the window.
  43
  44     *mouse_input->variable = b - TXT_MOUSE_BASE;
  45     TXT_EmitSignal(mouse_input, "set");
  46     TXT_CloseWindow(window);
  47
  48     return 1;
  49 }
  50
  51 static void OpenPromptWindow(txt_mouse_input_t *mouse_input)
  52 {
  53     txt_window_t *window;
  54     txt_label_t *label;
  55
  56     window = TXT_NewWindow(NULL);
  57     TXT_SetWindowAction(window, TXT_HORIZ_LEFT, NULL);
  58     TXT_SetWindowAction(window, TXT_HORIZ_CENTER,
  59                         TXT_NewWindowAbortAction(window));
  60     TXT_SetWindowAction(window, TXT_HORIZ_RIGHT, NULL);
  61
  62     label = TXT_NewLabel("Press the new mouse button...");
  63
  64     TXT_AddWidget(window, label);
  65     TXT_SetWidgetAlign(label, TXT_HORIZ_CENTER);
  66
  67     TXT_SetMouseListener(window, MousePressCallback, mouse_input);
  68 }
  69
  70 static void TXT_MouseInputSizeCalc(TXT_UNCAST_ARG(mouse_input))
  71 {
  72     TXT_CAST_ARG(txt_mouse_input_t, mouse_input);
  73
  74     // All mouseinputs are the same size.
  75
  76     mouse_input->widget.w = MOUSE_INPUT_WIDTH;
  77     mouse_input->widget.h = 1;
  78 }
  79
  80 static void GetMouseButtonDescription(int button, char *buf)
  81 {
  82     switch (button)
  83     {
  84         case 0:
  85             strcpy(buf, "LEFT");
  86             break;
  87         case 1:
  88             strcpy(buf, "RIGHT");
  89             break;
  90         case 2:
  91             strcpy(buf, "MID");
  92             break;
  93         default:
  94             sprintf(buf, "BUTTON #%i", button);
  95             break;
  96     }
  97 }
  98
  99 static void TXT_MouseInputDrawer(TXT_UNCAST_ARG(mouse_input), int selected)
 100 {
 101     TXT_CAST_ARG(txt_mouse_input_t, mouse_input);
 102     char buf[20];
 103     int i;
 104
 105     if (*mouse_input->variable < 0)
 106     {
 107         strcpy(buf, "(none)");
 108     }
 109     else
 110     {
 111         GetMouseButtonDescription(*mouse_input->variable, buf);
 112     }
 113
 114     if (selected)
 115     {
 116         TXT_BGColor(TXT_COLOR_GREY, 0);
 117     }
 118     else
 119     {
 120         TXT_BGColor(TXT_COLOR_BLUE, 0);
 121     }
 122
 123     TXT_FGColor(TXT_COLOR_BRIGHT_WHITE);
 124
 125     TXT_DrawString(buf);
 126
 127     for (i=strlen(buf); i<MOUSE_INPUT_WIDTH; ++i)
 128     {
 129         TXT_DrawString(" ");
 130     }
 131 }
 132
 133 static void TXT_MouseInputDestructor(TXT_UNCAST_ARG(mouse_input))
 134 {
 135 }
 136
 137 static int TXT_MouseInputKeyPress(TXT_UNCAST_ARG(mouse_input), int mouse)
 138 {
 139     TXT_CAST_ARG(txt_mouse_input_t, mouse_input);
 140
 141     if (mouse == KEY_ENTER)
 142     {
 143         // Open a window to prompt for the new mouse press
 144
 145         OpenPromptWindow(mouse_input);
 146
 147         return 1;
 148     }
 149
 150     return 0;
 151 }
 152
 153 static void TXT_MouseInputMousePress(TXT_UNCAST_ARG(widget), int x, int y, int b)
 154 {
 155     TXT_CAST_ARG(txt_mouse_input_t, widget);
 156
 157     // Clicking is like pressing enter
 158
 159     if (b == TXT_MOUSE_LEFT)
 160     {
 161         TXT_MouseInputKeyPress(widget, KEY_ENTER);
 162     }
 163 }
 164
 165 txt_widget_class_t txt_mouse_input_class =
 166 {
 167     TXT_MouseInputSizeCalc,
 168     TXT_MouseInputDrawer,
 169     TXT_MouseInputKeyPress,
 170     TXT_MouseInputDestructor,
 171     TXT_MouseInputMousePress,
 172     NULL,
 173 };
 174
 175 txt_mouse_input_t *TXT_NewMouseInput(int *variable)
 176 {
 177     txt_mouse_input_t *mouse_input;
 178
 179     mouse_input = malloc(sizeof(txt_mouse_input_t));
 180
 181     TXT_InitWidget(mouse_input, &txt_mouse_input_class);
 182     mouse_input->variable = variable;
 183
 184     return mouse_input;
 185 }
 186