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3c2d562967
Callbacks created by NewCallbackCDecl were never released and then they are leaked, especially when the window size was changed by SetWindowSize on Windows. This change defines new callback ID types with uintptr, and reuse the callbacks. Closes #1672
62 lines
2.0 KiB
Go
62 lines
2.0 KiB
Go
// Copyright 2021 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package glfw
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import (
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"golang.org/x/sys/windows"
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)
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func ToCharModsCallback(cb func(window *Window, char rune, mods ModifierKey)) CharModsCallback {
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if cb == nil {
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return 0
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}
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return CharModsCallback(windows.NewCallbackCDecl(func(window uintptr, char rune, mods ModifierKey) uintptr {
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cb(theGLFWWindows.get(window), char, mods)
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return 0
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}))
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}
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func ToFramebufferSizeCallback(cb func(window *Window, width int, height int)) FramebufferSizeCallback {
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if cb == nil {
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return 0
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}
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return FramebufferSizeCallback(windows.NewCallbackCDecl(func(window uintptr, width int, height int) uintptr {
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cb(theGLFWWindows.get(window), width, height)
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return 0
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}))
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}
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func ToScrollCallback(cb func(window *Window, xoff float64, yoff float64)) ScrollCallback {
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if cb == nil {
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return 0
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}
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return ScrollCallback(windows.NewCallbackCDecl(func(window uintptr, xoff *float64, yoff *float64) uintptr {
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// xoff and yoff were originally float64, but there is no good way to pass them on 32bit
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// machines via NewCallback. We've fixed GLFW side to use pointer values.
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cb(theGLFWWindows.get(window), *xoff, *yoff)
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return 0
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}))
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}
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func ToSizeCallback(cb func(window *Window, width int, height int)) SizeCallback {
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if cb == nil {
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return 0
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}
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return SizeCallback(windows.NewCallbackCDecl(func(window uintptr, width int, height int) uintptr {
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cb(theGLFWWindows.get(window), width, height)
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return 0
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}))
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}
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