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InputManager: Don't break if joystick support is disabled in SDL.

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Early Dingux versions had joystick support disabled, but many programs
broke on that, so booboo enabled joystick support later.
This commit is contained in:
Maarten ter Huurne 2011-10-23 10:12:11 +02:00
parent 433be5daf7
commit 9548aa0a41
2 changed files with 29 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
src/inputmanager.cpp
View File

@ -23,8 +23,6 @@
#include "utilities.h"
#include "powersaver.h"
#include <SDL.h>
#include <iostream>
#include <fstream>
@ -37,17 +35,22 @@ void InputManager::init(const string &conffile) {
}
InputManager::InputManager()
: joystick(NULL)
{
#ifndef SDL_JOYSTICK_DISABLED
if (SDL_NumJoysticks() > 0) {
joystick = SDL_JoystickOpen(0);
} else {
joystick = NULL;
}
#endif
}
InputManager::~InputManager() {
#ifndef SDL_JOYSTICK_DISABLED
if (joystick) {
SDL_JoystickClose(joystick);
}
#endif
}
bool InputManager::readConfFile(const string &conffile) {
@ -91,9 +94,19 @@ bool InputManager::readConfFile(const string &conffile) {
source = trim(line.substr(0,pos));
line = trim(line.substr(pos+1, line.length()));
if (source == "keyboard") buttonMap[button].source = KEYBOARD;
else if (source == "joystick") buttonMap[button].source = JOYSTICK;
else return false;
if (source == "keyboard") {
buttonMap[button].source = KEYBOARD;
} else if (source == "joystick") {
#ifdef SDL_JOYSTICK_DISABLED
WARNING("Ignoring joystick button mapping "
"because SDL was compiled without joystick support\n");
continue;
#else
buttonMap[button].source = JOYSTICK;
#endif
} else {
return false;
}
buttonMap[button].code = atoi(line.c_str());
}
@ -130,9 +143,11 @@ bool InputManager::getEvent(ButtonEvent *bevent, bool wait) {
//TODO: when an event is processed, program a new event
//in some time, and when it occurs, do a key repeat
#ifndef SDL_JOYSTICK_DISABLED
if (joystick) {
SDL_JoystickUpdate();
}
#endif
SDL_Event event;
if (wait) {
SDL_WaitEvent(&event);
@ -153,6 +168,7 @@ bool InputManager::getEvent(ButtonEvent *bevent, bool wait) {
bevent->state = RELEASED;
source = KEYBOARD;
break;
#ifndef SDL_JOYSTICK_DISABLED
case SDL_JOYBUTTONDOWN:
bevent->state = PRESSED;
source = JOYSTICK;
@ -161,6 +177,7 @@ bool InputManager::getEvent(ButtonEvent *bevent, bool wait) {
bevent->state = RELEASED;
source = JOYSTICK;
break;
#endif
default:
return false;
}
@ -173,7 +190,8 @@ bool InputManager::getEvent(ButtonEvent *bevent, bool wait) {
break;
}
}
} else {
#ifndef SDL_JOYSTICK_DISABLED
} else if (source == JOYSTICK) {
for (int i = 0; i < BUTTON_TYPE_SIZE; i++) {
if (buttonMap[i].source == JOYSTICK
&& (unsigned int)event.jbutton.button == buttonMap[i].code) {
@ -181,6 +199,7 @@ bool InputManager::getEvent(ButtonEvent *bevent, bool wait) {
break;
}
}
#endif
}
if (wait && PowerSaver::isRunning()) {
PowerSaver::getInstance()->resetScreenTimer();

5
src/inputmanager.h
View File

@ -21,10 +21,9 @@
#ifndef INPUTMANAGER_H
#define INPUTMANAGER_H
#include <SDL.h>
#include <string>
typedef struct _SDL_Joystick SDL_Joystick;
class InputManager {
public:
enum Button {
@ -65,7 +64,9 @@ private:
Button waitForButton(ButtonState state);
ButtonMapEntry buttonMap[BUTTON_TYPE_SIZE];
#ifndef SDL_JOYSTICK_DISABLED
SDL_Joystick *joystick;
#endif
};
#endif