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gtk.go
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gtk.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 (
"fmt"
"log"
"github.com/gotk3/gotk3/gdk"
"github.com/gotk3/gotk3/gtk"
)
func getDefaultPointerDevice() (*gdk.Device, error) {
display, err := gdk.DisplayGetDefault()
if err != nil {
return nil, err
}
seat, err := display.GetDefaultSeat()
if err != nil {
return nil, err
}
pointerDevice, err := seat.GetPointer()
if err != nil {
return nil, err
}
return pointerDevice, nil
}
func pixbufCopyPixels(src *gdk.Pixbuf, dst *gdk.Pixbuf, dstStartX int) {
nChannels := src.GetNChannels() // ASSUMPTION: Number of channels matches
srcRowstride, dstRowstride := src.GetRowstride(), dst.GetRowstride()
srcPixels, dstPixels := src.GetPixels(), dst.GetPixels()
for y := 0; y < src.GetHeight(); y++ {
for x := 0; x < src.GetWidth(); x++ {
xOffset := x * nChannels
srcIdxBase := y*srcRowstride + xOffset
dstIdxBase := y*dstRowstride + dstStartX*nChannels + xOffset
for i := 0; i < nChannels; i++ {
dstPixels[dstIdxBase+i] = srcPixels[srcIdxBase+i]
}
}
}
}
type MenuWithAccels struct {
Menu *gtk.Menu
Path string
Items []MenuItemWithAccels
}
type MenuItemWithAccels struct {
Item *gtk.MenuItem
Accel Accel
}
type Accel struct {
Key uint
Mods gdk.ModifierType
}
func setupMenuAccels(mainWindow *gtk.ApplicationWindow, menuSetups []MenuWithAccels) error {
for _, menuSetup := range menuSetups {
accelGroup, err := gtk.AccelGroupNew()
if err != nil {
return err
}
mainWindow.AddAccelGroup(accelGroup)
menuSetup.Menu.SetAccelPath(menuSetup.Path)
menuSetup.Menu.SetAccelGroup(accelGroup)
for _, item := range menuSetup.Items {
itemPath := fmt.Sprintf("%s/%s", menuSetup.Path, item.Item.GetLabel())
gtk.AccelMapAddEntry(itemPath, item.Accel.Key, item.Accel.Mods)
accelGroup.ConnectByPath(itemPath, item.Item.Activate)
}
}
return nil
}
func checkDialogAddButtonErr(err error) {
if err != nil {
log.Panicf("adding a button to a dialog: %v", err)
}
}