helos1/driver/input/input.c

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#include "input.h"
#include "consts.h"
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#include "source.h"
#include "internal.h"
#include "../../util/minmax.h"
smp_Condition *input_Condition;
int __input_CursorX, __input_CursorY;
int __input_DesktopWidth, __input_DesktopHeight;
uint64_t __input_KeyMask[input_Key_Count / 64 + 1], __input_MouseMask[input_MouseButton_Count / 64 + 1];
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// FIXME you're supposed to disable interrupt/lock mutex accessing these variables
bool input_KeyPressed(input_Key key) {
return __input_KeyMask[key / 64] & (1ull << key % 64);
}
bool input_MousePressed(input_MouseButton key) {
return __input_MouseMask[key / 64] & (1ull << key & 64);
}
void input_MousePosition(int *x, int *y) {
*x = __input_CursorX;
*y = __input_CursorY;
}
void input_DesktopSize(int *x, int *y) {
*x = __input_DesktopWidth;
*y = __input_DesktopHeight;
}
static inline void notify(void *data) {
if (input_Condition)
smp_Condition_NotifyAll(input_Condition, data);
}
void input_source_PressKey(input_Key key) {
__input_KeyMask[key / 64] |= (1ull << key % 64);
notify(NULL);
}
void input_source_ReleaseKey(input_Key key) {
__input_KeyMask[key / 64] &= ~(1ull << key % 64);
notify(NULL);
}
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void input_source_PressMouse(input_MouseButton key) {
__input_MouseMask[key / 64] |= (1ull << key & 64);
notify(NULL);
}
void input_source_ReleaseMouse(input_MouseButton key) {
__input_MouseMask[key / 64] &= ~(1ull << key & 64);
notify(NULL);
}
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void input_source_MoveMouse(int x, int y) {
__input_CursorX = intminmax(__input_CursorX + x, 0, __input_DesktopWidth);
__input_CursorY = intminmax(__input_CursorY + y, 0, __input_DesktopHeight);
notify(NULL);
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}
void input_source_PositionMouse(int x, int y) {
__input_CursorX = intminmax(x, 0, __input_DesktopWidth);
__input_CursorY = intminmax(y, 0, __input_DesktopHeight);
notify(NULL);
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}
void input_source_SetDesktopSize(int x, int y) {
__input_DesktopWidth = x;
__input_DesktopHeight = y;
__input_CursorX = intminmax(__input_CursorX, 0, __input_DesktopWidth);
__input_CursorY = intminmax(__input_CursorY, 0, __input_DesktopHeight);
}