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image_area.go
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image_area.go
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/*
* Copyright (c) 2013-2021 Utkan Güngördü <[email protected]>
* Copyright (c) 2021-2024 Piotr Grabowski
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package gomicsv
import (
"github.com/gotk3/gotk3/gdk"
"github.com/gotk3/gotk3/glib"
"github.com/gotk3/gotk3/gtk"
)
const kamiteLongRightClickDelay = 375
func (app *App) imageAreaInit() {
app.W.ScrolledWindow.SetEvents(app.W.ScrolledWindow.GetEvents() | int(gdk.BUTTON_PRESS_MASK) | int(gdk.BUTTON_RELEASE_MASK))
app.W.ScrolledWindow.Connect("scroll-event", func(self *gtk.ScrolledWindow, event *gdk.Event) {
se := &gdk.EventScroll{Event: event}
app.scroll(se.DeltaX(), se.DeltaY())
})
app.W.ScrolledWindow.Connect("button-press-event", func(self *gtk.ScrolledWindow, event *gdk.Event) bool {
if app.S.UITemporarilyRevealed {
app.S.UITemporarilyRevealed = false
app.toggleHideUI(true)
return true
}
be := &gdk.EventButton{Event: event}
switch be.Button() {
case 1:
if (int)(be.X()) < self.GetAllocatedWidth()/2 {
app.previousPage()
} else {
app.nextPage()
}
case 3:
if app.Config.KamiteEnabled {
app.S.KamiteRightClickActionPending = true
glib.TimeoutAdd(kamiteLongRightClickDelay, func() bool {
if app.S.KamiteRightClickActionPending {
app.kamiteRecognizeManualBlock()
app.S.KamiteRightClickActionPending = false
}
return false
})
}
// Empty
case 2:
app.dragScrollStart(be.X(), be.Y(), self.GetVAdjustment().GetValue(), self.GetHAdjustment().GetValue())
}
return true
})
app.W.ScrolledWindow.Connect("button-release-event", func(_ *gtk.ScrolledWindow, event *gdk.Event) bool {
be := &gdk.EventButton{Event: event}
switch be.Button() {
case 1:
// Empty
case 3:
if app.Config.KamiteEnabled {
if app.S.KamiteRightClickActionPending {
app.kamiteRecognizeImageUnderCursorBlock()
app.S.KamiteRightClickActionPending = false
}
}
case 2:
app.dragScrollEnd()
}
return true
})
app.W.ScrolledWindow.Connect("motion-notify-event", func(sw *gtk.ScrolledWindow, event *gdk.Event) bool {
if app.S.DragScroll.InProgress {
app.dragScrollUpdate(sw, &gdk.EventButton{Event: event})
}
return false // Let it be handled for MainWindow
})
}
func (app *App) handleImageAreaResize() {
app.blit()
app.updateStatus()
}