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gg: support passing down the state of pressed mouse buttons in mouse moves events

pull/8811/head
Delyan Angelov 2021-02-17 20:14:37 +02:00
parent e662d61573
commit ab6517c5fc
No known key found for this signature in database
GPG Key ID: 66886C0F12D595ED
1 changed files with 28 additions and 7 deletions
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23
vlib/gg/gg.v
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@ -31,6 +31,7 @@ pub:
char_code u32 char_code u32
key_repeat bool key_repeat bool
modifiers u32 modifiers u32
pub mut:
mouse_button sapp.MouseButton mouse_button sapp.MouseButton
mouse_x f32 mouse_x f32
mouse_y f32 mouse_y f32
@ -121,6 +122,7 @@ pub mut:
ft &FT ft &FT
font_inited bool font_inited bool
ui_mode bool // do not redraw everything 60 times/second, but only when the user requests ui_mode bool // do not redraw everything 60 times/second, but only when the user requests
mbtn_mask byte
} }
pub struct Size { pub struct Size {
@ -237,8 +239,27 @@ pub fn (mut ctx Context) refresh_ui() {
fn gg_event_fn(ce &C.sapp_event, user_data voidptr) { fn gg_event_fn(ce &C.sapp_event, user_data voidptr) {
// e := unsafe { &sapp.Event(ce) } // e := unsafe { &sapp.Event(ce) }
e := unsafe { &Event(ce) } mut e := unsafe { &Event(ce) }
mut g := unsafe { &Context(user_data) } mut g := unsafe { &Context(user_data) }
if e.typ == .mouse_down {
bitplace := int(e.mouse_button)
g.mbtn_mask |= byte(1 << bitplace)
}
if e.typ == .mouse_up {
bitplace := int(e.mouse_button)
g.mbtn_mask &= ~(byte(1 << bitplace))
}
if e.typ == .mouse_move && e.mouse_button == .invalid {
if g.mbtn_mask & 0x01 > 0 {
e.mouse_button = .left
}
if g.mbtn_mask & 0x02 > 0 {
e.mouse_button = .right
}
if g.mbtn_mask & 0x04 > 0 {
e.mouse_button = .middle
}
}
if g.config.event_fn != voidptr(0) { if g.config.event_fn != voidptr(0) {
g.config.event_fn(e, g.config.user_data) g.config.event_fn(e, g.config.user_data)
} }