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added mouse wheel support

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Timerix
2026-01-12 21:54:15 +05:00
parent 75d894b1bd
commit 717c049265
8 changed files with 141 additions and 37 deletions
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4
src/event.c
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@@ -4,10 +4,6 @@ bool tim_is_event_key(TimEventType type, TimKey key) {
return tim->event.type == type && tim->event.key == key;
}
bool tim_is_key_press(TimKey key) {
return tim_is_event_key(TimEvent_Key, key);
}
bool tim_is_mouse_over(TimRect r) {
i32 x = tim->event.x;
i32 y = tim->event.y;

38
src/unix.c
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@@ -1,3 +1,12 @@
// Enable POSIX 2004 definitions.
// Required to use clock_gettime, localtime_r, gmtime_r in ISO C.
#ifndef _XOPEN_SOURCE
#define _XOPEN_SOURCE 600
#endif
// Enable cfmakeraw()
#ifndef _DEFAULT_SOURCE
#define _DEFAULT_SOURCE
#endif
#include "tim.h"
#ifdef TIM_UNIX
@@ -62,7 +71,7 @@ void tim_reset_terminal(void) {
}
// parse input stored in e->s
bool parse_input(event* restrict e, i32 n) {
bool parse_input(TimEvent* restrict e, i32 n) {
char* s = e->s;
if (n == 1 || s[0] != 27) {
@@ -76,14 +85,23 @@ bool parse_input(event* restrict e, i32 n) {
// sgr mouse sequence
e->type = TimEvent_Mouse;
i32 btn = strtol(s + 3, &s, 10);
e->x = strtol(s + 1, &s, 10) - 1;
e->y = strtol(s + 1, &s, 10) - 1;
if (btn == 0 && s[0] == 'M') {
// left button pressed
e->key = TimKey_MouseButtonLeft;
return true;
}
return false;
e->x = strtol(s + 1, &s, 10);
e->y = strtol(s + 1, &s, 10);
// coordinates start from 1
if(e->x > 0) e->x--;
if(e->y > 0) e->y--;
// invalid sequence end
if (s[0] != 'M')
return false;
switch(btn){
case 0: e->key = TimKey_MouseButtonLeft; break;
case 64: e->key = TimKey_MouseScrollUp; break;
case 65: e->key = TimKey_MouseScrollDown; break;
default:
return false;
}
return true;
}
struct {char s[4]; i32 k;} key_table[] = {
@@ -120,7 +138,7 @@ bool parse_input(event* restrict e, i32 n) {
}
void tim_read_event(i32 timeout_ms) {
event* e = &tim->event;
TimEvent* e = &tim->event;
struct pollfd pfd[2] = {
{.fd = tim->signal_pipe[0], .events = POLLIN},

15
src/windows.c
View File

@@ -140,9 +140,16 @@ void tim_read_event(i32 timeout_ms) {
}
case MOUSE_EVENT: {
bool wheel = rec.Event.MouseEvent.dwEventFlags & MOUSE_WHEELED;
if(wheel){
i16 scroll_value = HIWORD(rec.Event.MouseEvent.dwButtonState);
e->type = TimEvent_Mouse;
e->key = scroll_value > 0 ? TimKey_MouseScrollUp : TimKey_MouseScrollDown;
return;
}
bool move = rec.Event.MouseEvent.dwEventFlags & ~DOUBLE_CLICK;
bool left = rec.Event.MouseEvent.dwButtonState &
FROM_LEFT_1ST_BUTTON_PRESSED;
bool left = rec.Event.MouseEvent.dwButtonState & FROM_LEFT_1ST_BUTTON_PRESSED;
if (move || !left) {
// ignore move events and buttons other than left
continue;
@@ -150,8 +157,8 @@ void tim_read_event(i32 timeout_ms) {
tim_update_screen_size(); // workaround, see WINDOW_BUFFER_SIZE_EVENT
e->type = TimEvent_Mouse;
e->key = TimKey_MouseButtonLeft;
e->x = rec.Event.MouseEvent.dwMousePosition.X - tim->window.Left;
e->y = rec.Event.MouseEvent.dwMousePosition.Y - tim->window.Top;
e->x = rec.Event.MouseEvent.dwMousePosition.X - tim->window.Left;
e->y = rec.Event.MouseEvent.dwMousePosition.Y - tim->window.Top;
return;
}