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Window icons (windows).

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This commit is contained in:
Nuno Cruces 2022-05-19 13:47:38 +01:00
parent 61a5cfeeb5
commit fcf0a22b42
3 changed files with 128 additions and 62 deletions
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17
cmd/zenity/main.go
View file

@ -422,6 +422,23 @@ func loadFlags() []zenity.Option {
opts = append(opts, zenity.Icon(ingestPath(icon)))
}
switch windowIcon {
case "error", "dialog-error":
opts = append(opts, zenity.WindowIcon(zenity.ErrorIcon))
case "info", "dialog-information":
opts = append(opts, zenity.WindowIcon(zenity.InfoIcon))
case "question", "dialog-question":
opts = append(opts, zenity.WindowIcon(zenity.QuestionIcon))
case "important", "warning", "dialog-warning":
opts = append(opts, zenity.WindowIcon(zenity.WarningIcon))
case "dialog-password":
opts = append(opts, zenity.WindowIcon(zenity.PasswordIcon))
case "", unspecified:
//
default:
opts = append(opts, zenity.WindowIcon(ingestPath(windowIcon)))
}
// Message options
if noWrap {

39
msg_windows.go
View file

@ -1,19 +1,14 @@
package zenity
import (
"bytes"
"context"
"os"
"syscall"
"unsafe"
)
var (
messageBox = user32.NewProc("MessageBoxW")
getDlgCtrlID = user32.NewProc("GetDlgCtrlID")
loadImage = user32.NewProc("LoadImageW")
destroyIcon = user32.NewProc("DestroyIcon")
createIconFromResource = user32.NewProc("CreateIconFromResource")
messageBox = user32.NewProc("MessageBoxW")
)
func message(kind messageKind, text string, opts options) error {
@ -94,6 +89,13 @@ func message(kind messageKind, text string, opts options) error {
func hookMessageDialog(kind messageKind, opts options) (unhook context.CancelFunc, err error) {
return hookDialog(opts.ctx, func(wnd uintptr) {
if opts.windowIcon != nil {
icon := getIcon(opts.windowIcon)
if icon.handle != 0 {
defer icon.delete()
sendMessage.Call(wnd, 0x0080 /*WM_SETICON*/, 0, icon.handle)
}
}
enumChildWindows.Call(wnd,
syscall.NewCallback(hookMessageDialogCallback),
uintptr(unsafe.Pointer(&opts)))
@ -116,26 +118,11 @@ func hookMessageDialogCallback(wnd uintptr, lparam *options) uintptr {
setWindowText.Call(wnd, strptr(*text))
}
if i, ok := lparam.icon.(string); ok && ctl == 20 /*IDC_STATIC_OK*/ {
var icon uintptr
data, _ := os.ReadFile(i)
switch {
case bytes.HasPrefix(data, []byte("\x00\x00\x01\x00")):
icon, _, _ = loadImage.Call(0,
strptr(i),
1, /*IMAGE_ICON*/
0, 0,
0x00008050 /*LR_LOADFROMFILE|LR_DEFAULTSIZE|LR_SHARED*/)
case bytes.HasPrefix(data, []byte("\x89PNG\r\n\x1a\n")):
icon, _, _ = createIconFromResource.Call(
uintptr(unsafe.Pointer(&data[0])),
uintptr(len(data)),
1, 0x00030000)
defer destroyIcon.Call(icon)
}
if icon != 0 {
sendMessage.Call(wnd, 0x0170 /*STM_SETICON*/, icon, 0)
if ctl == 20 /*IDC_STATIC_OK*/ {
icon := getIcon(lparam.icon)
if icon.handle != 0 {
defer icon.delete()
sendMessage.Call(wnd, 0x0170 /*STM_SETICON*/, icon.handle, 0)
}
}
return 1

132
util_windows.go
View file

@ -1,6 +1,7 @@
package zenity
import (
"bytes"
"context"
"fmt"
"os"
@ -26,59 +27,63 @@ var (
user32 = windows.NewLazySystemDLL("user32.dll")
wtsapi32 = windows.NewLazySystemDLL("wtsapi32.dll")
initCommonControlsEx = comctl32.NewProc("InitCommonControlsEx")
commDlgExtendedError = comdlg32.NewProc("CommDlgExtendedError")
initCommonControlsEx = comctl32.NewProc("InitCommonControlsEx")
createFontIndirect = gdi32.NewProc("CreateFontIndirectW")
deleteObject = gdi32.NewProc("DeleteObject")
getDeviceCaps = gdi32.NewProc("GetDeviceCaps")
createFontIndirect = gdi32.NewProc("CreateFontIndirectW")
getModuleHandle = kernel32.NewProc("GetModuleHandleW")
getCurrentThreadId = kernel32.NewProc("GetCurrentThreadId")
getConsoleWindow = kernel32.NewProc("GetConsoleWindow")
getSystemDirectory = kernel32.NewProc("GetSystemDirectoryW")
createActCtx = kernel32.NewProc("CreateActCtxW")
activateActCtx = kernel32.NewProc("ActivateActCtx")
createActCtx = kernel32.NewProc("CreateActCtxW")
deactivateActCtx = kernel32.NewProc("DeactivateActCtx")
getConsoleWindow = kernel32.NewProc("GetConsoleWindow")
getCurrentThreadId = kernel32.NewProc("GetCurrentThreadId")
getModuleHandle = kernel32.NewProc("GetModuleHandleW")
getSystemDirectory = kernel32.NewProc("GetSystemDirectoryW")
coInitializeEx = ole32.NewProc("CoInitializeEx")
coUninitialize = ole32.NewProc("CoUninitialize")
coCreateInstance = ole32.NewProc("CoCreateInstance")
coInitializeEx = ole32.NewProc("CoInitializeEx")
coTaskMemFree = ole32.NewProc("CoTaskMemFree")
coUninitialize = ole32.NewProc("CoUninitialize")
getMessage = user32.NewProc("GetMessageW")
sendMessage = user32.NewProc("SendMessageW")
postQuitMessage = user32.NewProc("PostQuitMessage")
isDialogMessage = user32.NewProc("IsDialogMessageW")
dispatchMessage = user32.NewProc("DispatchMessageW")
translateMessage = user32.NewProc("TranslateMessage")
unhookWindowsHookEx = user32.NewProc("UnhookWindowsHookEx")
setWindowsHookEx = user32.NewProc("SetWindowsHookExW")
callNextHookEx = user32.NewProc("CallNextHookEx")
enumWindows = user32.NewProc("EnumWindows")
createIconFromResource = user32.NewProc("CreateIconFromResource")
createWindowEx = user32.NewProc("CreateWindowExW")
defWindowProc = user32.NewProc("DefWindowProcW")
destroyIcon = user32.NewProc("DestroyIcon")
destroyWindow = user32.NewProc("DestroyWindow")
dispatchMessage = user32.NewProc("DispatchMessageW")
enableWindow = user32.NewProc("EnableWindow")
enumChildWindows = user32.NewProc("EnumChildWindows")
setWindowText = user32.NewProc("SetWindowTextW")
enumWindows = user32.NewProc("EnumWindows")
getDpiForWindow = user32.NewProc("GetDpiForWindow")
getMessage = user32.NewProc("GetMessageW")
getSystemMetrics = user32.NewProc("GetSystemMetrics")
getWindowDC = user32.NewProc("GetWindowDC")
getWindowRect = user32.NewProc("GetWindowRect")
getWindowText = user32.NewProc("GetWindowTextW")
getWindowTextLength = user32.NewProc("GetWindowTextLengthW")
setForegroundWindow = user32.NewProc("SetForegroundWindow")
getWindowThreadProcessId = user32.NewProc("GetWindowThreadProcessId")
setThreadDpiAwarenessContext = user32.NewProc("SetThreadDpiAwarenessContext")
getDpiForWindow = user32.NewProc("GetDpiForWindow")
releaseDC = user32.NewProc("ReleaseDC")
getWindowDC = user32.NewProc("GetWindowDC")
systemParametersInfo = user32.NewProc("SystemParametersInfoW")
setWindowPos = user32.NewProc("SetWindowPos")
getWindowRect = user32.NewProc("GetWindowRect")
setWindowLong = user32.NewProc("SetWindowLongW")
getSystemMetrics = user32.NewProc("GetSystemMetrics")
unregisterClass = user32.NewProc("UnregisterClassW")
isDialogMessage = user32.NewProc("IsDialogMessageW")
loadIcon = user32.NewProc("LoadIconW")
loadImage = user32.NewProc("LoadImageW")
postQuitMessage = user32.NewProc("PostQuitMessage")
registerClassEx = user32.NewProc("RegisterClassExW")
destroyWindow = user32.NewProc("DestroyWindow")
createWindowEx = user32.NewProc("CreateWindowExW")
showWindow = user32.NewProc("ShowWindow")
enableWindow = user32.NewProc("EnableWindow")
releaseDC = user32.NewProc("ReleaseDC")
sendMessage = user32.NewProc("SendMessageW")
setFocus = user32.NewProc("SetFocus")
defWindowProc = user32.NewProc("DefWindowProcW")
setForegroundWindow = user32.NewProc("SetForegroundWindow")
setThreadDpiAwarenessContext = user32.NewProc("SetThreadDpiAwarenessContext")
setWindowLong = user32.NewProc("SetWindowLongW")
setWindowPos = user32.NewProc("SetWindowPos")
setWindowsHookEx = user32.NewProc("SetWindowsHookExW")
setWindowText = user32.NewProc("SetWindowTextW")
showWindow = user32.NewProc("ShowWindow")
systemParametersInfo = user32.NewProc("SystemParametersInfoW")
translateMessage = user32.NewProc("TranslateMessage")
unhookWindowsHookEx = user32.NewProc("UnhookWindowsHookEx")
unregisterClass = user32.NewProc("UnregisterClassW")
)
func intptr(i int64) uintptr {
@ -320,6 +325,63 @@ func (f *font) delete() {
}
}
type icon struct {
handle uintptr
destroy bool
}
func getIcon(i any) icon {
var res icon
var resource uintptr
switch i {
case ErrorIcon:
resource = 32513 // IDI_ERROR
case QuestionIcon:
resource = 32514 // IDI_QUESTION
case WarningIcon:
resource = 32515 // IDI_WARNING
case InfoIcon:
resource = 32516 // IDI_INFORMATION
}
if resource != 0 {
res.handle, _, _ = loadIcon.Call(0, resource)
return res
}
path, ok := i.(string)
if !ok {
return res
}
data, err := os.ReadFile(path)
if err != nil {
return res
}
switch {
case bytes.HasPrefix(data, []byte("\x00\x00\x01\x00")):
res.handle, _, _ = loadImage.Call(0,
strptr(path),
1, /*IMAGE_ICON*/
0, 0,
0x00008050 /*LR_LOADFROMFILE|LR_DEFAULTSIZE|LR_SHARED*/)
case bytes.HasPrefix(data, []byte("\x89PNG\r\n\x1a\n")):
res.handle, _, _ = createIconFromResource.Call(
uintptr(unsafe.Pointer(&data[0])),
uintptr(len(data)),
1, 0x00030000)
res.destroy = true
}
return res
}
func (i *icon) delete() {
if i.handle != 0 {
destroyIcon.Call(i.handle)
i.handle = 0
}
}
func centerWindow(wnd uintptr) {
getMetric := func(i uintptr) int32 {
n, _, _ := getSystemMetrics.Call(i)