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Add scroll wheel support #2

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Merged
drfiemost merged 1 commit into from
Jul 7, 2026
+22 −2
Merged

Add scroll wheel support #2

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6 changes: 6 additions & 0 deletions src/bme/bme_win.c
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@ unsigned win_mousexrel = 0;
unsigned win_mouseyrel = 0;
unsigned win_mousebuttons = 0;
int win_mousemode = MOUSE_FULLSCREEN_HIDDEN;
float win_mouseywheel = 0.f;
unsigned char win_keystate[SDL_SCANCODE_COUNT] = {0};

// Static variables
Expand Down Expand Up @@ -123,6 +124,7 @@ void win_checkmessages(void)
unsigned keynum;

win_activateclick = 0;
win_mouseywheel = 0.f;

SDL_PumpEvents();

Expand Down Expand Up @@ -192,6 +194,10 @@ void win_checkmessages(void)
}
break;

case SDL_EVENT_MOUSE_WHEEL:
win_mouseywheel = event.wheel.y;
break;

case SDL_EVENT_QUIT:
win_quitted = 1;
break;
Expand Down
1 change: 1 addition & 0 deletions src/bme/bme_win.h
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@ extern unsigned win_mousexrel;
extern unsigned win_mouseyrel;
extern unsigned win_mousebuttons;
extern int win_mousemode;
extern float win_mouseywheel;
extern SDL_Joystick *joy[MAX_JOYSTICKS];
extern Sint16 joyx[MAX_JOYSTICKS];
extern Sint16 joyy[MAX_JOYSTICKS];
Expand Down
17 changes: 15 additions & 2 deletions src/loadtrk.c
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Original file line number Diff line number Diff line change
Expand Up @@ -573,7 +573,7 @@ void waitkeymouse(void)
getkey();
if ((rawkey) || (key)) break;
if (win_quitted) break;
if (mouseb) break;
if (mouseb || (win_mouseywheel != 0.f)) break;
}

converthex();
Expand Down Expand Up @@ -683,6 +683,20 @@ void mousecommands(void)
currentSonglen = songlen_stereo[esnum][eschn];
}

if (win_mouseywheel != 0.f)
{
if ((mousey >= dpos.patternsY) &&
(mousey <= dpos.statusBottomY - 1) &&
(mousex >= dpos.patternsX) &&
(mousex <= dpos.patternsX + 11 + (maxChns-1)*13))
{
if (win_mouseywheel > 0.f)
patternup();
else if (win_mouseywheel < 0.f)
patterndown();
}
}

if (!mouseb) return;

// Pattern editpos & pattern number selection
Expand Down Expand Up @@ -845,7 +859,6 @@ void mousecommands(void)
if (mouseb & MOUSEB_RIGHT) previnstr();
}


// Table editpos
for (c = 0; c < MAX_TABLES; c++)
{
Expand Down
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