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prefs item "mousewheellines" accepts negative value

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kanjitalk755 2021-03-03 14:59:37 +09:00
parent 6d3fbba4cd
commit ce3e2f3693
1 changed files with 5 additions and 2 deletions
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7
BasiliskII/src/SDL/video_sdl2.cpp
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@ -108,6 +108,7 @@ const char KEYCODE_FILE_NAME2[] = DATADIR "/BasiliskII_keycodes";
static uint32 frame_skip; // Prefs items
static int16 mouse_wheel_mode;
static int16 mouse_wheel_lines;
static bool mouse_wheel_reverse;
static uint8 *the_buffer = NULL; // Mac frame buffer (where MacOS draws into)
static uint8 *the_buffer_copy = NULL; // Copy of Mac frame buffer (for refreshed modes)
@ -1378,6 +1379,8 @@ bool VideoInit(bool classic)
frame_skip = PrefsFindInt32("frameskip");
mouse_wheel_mode = PrefsFindInt32("mousewheelmode");
mouse_wheel_lines = PrefsFindInt32("mousewheellines");
mouse_wheel_reverse = mouse_wheel_lines < 0;
if (mouse_wheel_reverse) mouse_wheel_lines = -mouse_wheel_lines;
// Get screen mode from preferences
migrate_screen_prefs();
@ -2322,12 +2325,12 @@ static void handle_events(void)
case SDL_MOUSEWHEEL:
if (!event.wheel.y) break;
if (!mouse_wheel_mode) {
int key = event.wheel.y < 0 ? 0x79 : 0x74; // Page up/down
int key = (event.wheel.y < 0) ^ mouse_wheel_reverse ? 0x79 : 0x74; // Page up/down
ADBKeyDown(key);
ADBKeyUp(key);
}
else {
int key = event.wheel.y < 0 ? 0x3d : 0x3e; // Cursor up/down
int key = (event.wheel.y < 0) ^ mouse_wheel_reverse ? 0x3d : 0x3e; // Cursor up/down
for (int i = 0; i < mouse_wheel_lines; i++) {
ADBKeyDown(key);
ADBKeyUp(key);