1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150
|
/*
* This file is part of the MLV Library.
*
* Copyright (C) 2010,2011,2012 Adrien Boussicault, Marc Zipstein
*
*
* This Library 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 3 of the License, or
* (at your option) any later version.
*
* This Library 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 Library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "MLV_mouse.h"
#include "MLV_event.h"
#include "MLV_time.h"
#ifndef MEMORY_DEBUG
#include <SDL/SDL.h>
#else
#include "memory_debug.h"
#endif
#include "warning_error.h"
#include "memory_management.h"
void MLV_wait_mouse(int *x, int *y){
MLV_Button_state state;
MLV_Mouse_button mouse_button;
// We remove all existing event from the queue
MLV_flush_event_queue();
//We wait for a new mouse event
while(
(
MLV_wait_event(
NULL, NULL, NULL,
NULL, NULL,
x, y, &mouse_button,
&state
) != MLV_MOUSE_BUTTON
) ||
( mouse_button != MLV_BUTTON_LEFT ) ||
( state != MLV_PRESSED )
);
};
MLV_Event MLV_wait_mouse_or_milliseconds(int *x, int *y, int milliseconds){
MLV_Event resultat = MLV_NONE;
MLV_Button_state state;
MLV_Mouse_button mouse_button;
// We remove all existing event from the queue
MLV_flush_event_queue();
int time = MLV_get_time();
//We wait for a new mouse event
int tmp_x, tmp_y;
while(
(
(
(
resultat = MLV_wait_event_or_milliseconds(
NULL, NULL, NULL,
NULL, NULL,
&tmp_x, &tmp_y, &mouse_button,
&state,
milliseconds - ( MLV_get_time() - time )
)
) != MLV_MOUSE_BUTTON
) ||
( mouse_button != MLV_BUTTON_LEFT ) ||
( state != MLV_PRESSED )
) && (
(MLV_get_time() - time) < milliseconds
)
);
if(
resultat == MLV_MOUSE_BUTTON &&
mouse_button == MLV_BUTTON_LEFT &&
state == MLV_PRESSED
){
if( x ) *x = tmp_x;
if( y ) *y = tmp_y;
}else{
resultat = MLV_NONE;
}
return resultat;
}
MLV_Event MLV_wait_mouse_or_seconds(int *x, int *y, int seconds){
return MLV_wait_mouse_or_milliseconds(
x, y, seconds*1000
);
}
const char* MLV_convert_mouse_button_to_string( MLV_Mouse_button button_code ){
switch( button_code ){
case MLV_BUTTON_LEFT:
return "MLV_BUTTON_LEFT";
case MLV_BUTTON_MIDDLE:
return "MLV_BUTTON_MIDDLE";
case MLV_BUTTON_RIGHT:
return "MLV_BUTTON_RIGHT";
default:
ERROR("Button code unexpected");
}
return NULL;
}
MLV_Mouse_button MLV_convert_string_to_mouse_button( const char* button_string ){
if( strcmp( button_string, "MLV_BUTTON_LEFT" )==0 ){
return MLV_BUTTON_LEFT;
}
if( strcmp( button_string, "MLV_BUTTON_MIDDLE" )==0 ){
return MLV_BUTTON_MIDDLE;
}
if( strcmp( button_string, "MLV_BUTTON_RIGHT" )==0 ){
return MLV_BUTTON_RIGHT;
}
ERROR("Button name unexpected");
return -1;
}
void MLV_get_mouse_position( int* x, int* y ){
SDL_PumpEvents();
SDL_GetMouseState(x,y);
}
MLV_Button_state MLV_get_mouse_button_state( MLV_Mouse_button mouse_button ){
SDL_PumpEvents();
if( SDL_GetMouseState(NULL,NULL) & SDL_BUTTON( mouse_button ) ){
return MLV_PRESSED;
}
return MLV_RELEASED;
}
|