lazarus/platform/imgui/imgui.go

58 lines
1.4 KiB
Go

package imgui
// #include "native.h"
import "C"
import (
"unsafe"
"github.com/FooSoft/lazarus/graphics"
"github.com/FooSoft/lazarus/math"
)
func (*Context) DialogBegin(label string) bool {
labelC := C.CString(label)
defer C.free(unsafe.Pointer(labelC))
return bool(C.igBegin(labelC, nil, 0))
}
func (*Context) DialogEnd() {
C.igEnd()
}
func (*Context) Button(label string) bool {
labelC := C.CString(label)
defer C.free(unsafe.Pointer(labelC))
return bool(C.igButton(labelC, C.ImVec2{}))
}
func (c *Context) Image(texture graphics.Texture) {
c.ImageSized(texture, texture.Size())
}
func (*Context) ImageSized(texture graphics.Texture, size math.Vec2i) {
C.igImage(
C.nativeHandleCast(C.uintptr_t(texture.Id())),
C.ImVec2{x: C.float(size.X), y: C.float(size.Y)},
C.ImVec2{0, 0},
C.ImVec2{1, 1},
C.ImVec4{1, 1, 1, 1},
C.ImVec4{0, 0, 0, 0},
)
}
func (*Context) SliderInt(label string, value *int, min, max int) bool {
labelC := C.CString(label)
defer C.free(unsafe.Pointer(labelC))
valueC := C.int(*value)
result := bool(C.igSliderInt(labelC, &valueC, (C.int)(min), (C.int)(max), nil))
*value = int(valueC)
return result
}
func (*Context) Text(label string) {
labelStartC := C.CString(label)
labelEndC := (*C.char)(unsafe.Pointer(uintptr(unsafe.Pointer(labelStartC)) + uintptr(len(label))))
defer C.free(unsafe.Pointer(labelStartC))
C.igTextUnformatted(labelStartC, labelEndC)
}