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Font improvements.

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This commit is contained in:
Nuno Cruces 2021-04-05 14:58:30 +01:00
parent 1bb9ad397f
commit 1d3292be96
1 changed files with 72 additions and 41 deletions
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113
entry_windows.go
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@ -5,6 +5,7 @@
package zenity
import (
"strconv"
"syscall"
"unsafe"
)
@ -14,7 +15,7 @@ func entry(text string, opts options) (string, bool, error) {
if opts.title != nil {
title = *opts.title
}
return editBox(title, text, opts.entryText, "ClassEntry", opts.hideText)
return editBox(title, text, opts.entryText, opts.hideText)
}
func password(opts options) (string, string, bool, error) {
@ -22,7 +23,7 @@ func password(opts options) (string, string, bool, error) {
if opts.title != nil {
title = *opts.title
}
pass, ok, err := editBox(title, "Password:", "", "ClassPassword", true)
pass, ok, err := editBox(title, "Password:", "", true)
return "", pass, ok, err
}
@ -154,11 +155,12 @@ func getDPI(wnd uintptr) dpi {
return dpi(res)
}
func createWindow(exStyle uint64, className, windowName string, style, x, y, width, height,
parent, menu, instance uintptr) (uintptr, error) {
ret, _, err := createWindowEx.Call(uintptr(exStyle), uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(className))),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(windowName))), style, x, y,
width, height, parent, menu, instance, 0)
func createWindow(exStyle uintptr, className, windowName string,
style, x, y, width, height, parent, menu, instance uintptr) (uintptr, error) {
ret, _, err := createWindowEx.Call(exStyle,
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(className))),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(windowName))),
style, x, y, width, height, parent, menu, instance, 0)
if ret == 0 {
return 0, err
@ -200,28 +202,50 @@ func centerWindow(wnd uintptr) {
setWindowPos.Call(wnd, 0, uintptr(x), uintptr(y), 0, 0, 0x5) // SWP_NOZORDER|SWP_NOSIZE
}
func getMessageFont() uintptr {
var metrics _NONCLIENTMETRICS
metrics.Size = uint32(unsafe.Sizeof(metrics))
systemParametersInfo.Call(0x29, /* SPI_GETNONCLIENTMETRICS */
unsafe.Sizeof(metrics), uintptr(unsafe.Pointer(&metrics)), 0)
ret, _, _ := createFontIndirect.Call(uintptr(unsafe.Pointer(&metrics.MessageFont)))
return ret
type font struct {
handle uintptr
face _LOGFONT
}
func registerClass(className string, instance uintptr, proc interface{}) error {
func getMessageFont() font {
var metrics _NONCLIENTMETRICS
metrics.Size = uint32(unsafe.Sizeof(metrics))
systemParametersInfo.Call(0x29, // SPI_GETNONCLIENTMETRICS
unsafe.Sizeof(metrics), uintptr(unsafe.Pointer(&metrics)), 0)
return font{face: metrics.MessageFont}
}
func (f *font) forDPI(dpi dpi) uintptr {
if h := -int32(dpi.Scale(12)); f.handle == 0 || f.face.Height != h {
f.delete()
f.face.Height = h
f.handle, _, _ = createFontIndirect.Call(uintptr(unsafe.Pointer(&f.face)))
}
return f.handle
}
func (f *font) delete() {
if f.handle != 0 {
deleteObject.Call(f.handle)
f.handle = 0
}
}
func registerClass(instance, proc uintptr) (string, error) {
name := "WC_" + strconv.FormatUint(uint64(proc), 16)
var wcx _WNDCLASSEX
wcx.Size = uint32(unsafe.Sizeof(wcx))
wcx.WndProc = syscall.NewCallback(proc)
wcx.WndProc = proc
wcx.Instance = instance
wcx.Background = 5 // COLOR_WINDOW
wcx.ClassName = syscall.StringToUTF16Ptr(className)
wcx.ClassName = syscall.StringToUTF16Ptr(name)
ret, _, err := registerClassEx.Call(uintptr(unsafe.Pointer(&wcx)))
if ret == 0 {
return err
return "", err
}
return nil
return name, nil
}
// https://docs.microsoft.com/en-us/windows/win32/winmsg/using-messages-and-message-queues
@ -250,12 +274,21 @@ func messageLoop(wnd uintptr) error {
}
// editBox displays textedit/inputbox dialog.
func editBox(title, text, defaultText, className string, password bool) (out string, ok bool, err error) {
func editBox(title, text, defaultText string, password bool) (out string, ok bool, err error) {
var wnd, textCtl, editCtl uintptr
var okBtn, cancelBtn, extraBtn uintptr
defWindowProc := defWindowProc.Addr()
font := getMessageFont()
defer font.delete()
layout := func(dpi dpi) {
hfont := font.forDPI(dpi)
sendMessage.Call(textCtl, 0x0030 /* WM_SETFONT */, hfont, 1)
sendMessage.Call(editCtl, 0x0030 /* WM_SETFONT */, hfont, 1)
sendMessage.Call(okBtn, 0x0030 /* WM_SETFONT */, hfont, 1)
sendMessage.Call(cancelBtn, 0x0030 /* WM_SETFONT */, hfont, 1)
sendMessage.Call(extraBtn, 0x0030 /* WM_SETFONT */, hfont, 1)
setWindowPos.Call(wnd, 0, 0, 0, dpi.Scale(281), dpi.Scale(140), 0x6) // SWP_NOZORDER|SWP_NOMOVE
setWindowPos.Call(textCtl, 0, dpi.Scale(12), dpi.Scale(10), dpi.Scale(241), dpi.Scale(16), 0x4) // SWP_NOZORDER
setWindowPos.Call(editCtl, 0, dpi.Scale(12), dpi.Scale(30), dpi.Scale(241), dpi.Scale(24), 0x4) // SWP_NOZORDER
@ -263,12 +296,6 @@ func editBox(title, text, defaultText, className string, password bool) (out str
setWindowPos.Call(cancelBtn, 0, dpi.Scale(95), dpi.Scale(65), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
setWindowPos.Call(extraBtn, 0, dpi.Scale(178), dpi.Scale(65), dpi.Scale(75), dpi.Scale(24), 0x4) // SWP_NOZORDER
font := getMessageFont()
sendMessage.Call(textCtl, 0x0030 /* WM_SETFONT */, font, 0)
sendMessage.Call(editCtl, 0x0030 /* WM_SETFONT */, font, 0)
sendMessage.Call(okBtn, 0x0030 /* WM_SETFONT */, font, 0)
sendMessage.Call(cancelBtn, 0x0030 /* WM_SETFONT */, font, 0)
sendMessage.Call(extraBtn, 0x0030 /* WM_SETFONT */, font, 0)
}
proc := func(wnd uintptr, msg uint32, wparam, lparam uintptr) uintptr {
@ -309,21 +336,22 @@ func editBox(title, text, defaultText, className string, password bool) (out str
return "", false, err
}
err = registerClass(className, instance, proc)
className, err := registerClass(instance, syscall.NewCallback(proc))
if err != nil {
return "", false, err
}
defer unregisterClass(className, instance)
dpi := getDPI(0)
wnd, _ = createWindow(0x10101, // WS_EX_CONTROLPARENT|WS_EX_WINDOWEDGE|WS_EX_DLGMODALFRAME
className, title, 0x84c80000, // WS_POPUPWINDOW|WS_CLIPSIBLINGS|WS_DLGFRAME
0x80000000 /* CW_USEDEFAULT */, 0x80000000, /* CW_USEDEFAULT */
dpi.Scale(281), dpi.Scale(140), 0, 0, instance)
className, title,
0x84c80000, // WS_POPUPWINDOW|WS_CLIPSIBLINGS|WS_DLGFRAME
0x80000000, // CW_USEDEFAULT
0x80000000, // CW_USEDEFAULT
281, 140, 0, 0, instance)
textCtl, _ = createWindow(0, "STATIC", text, 0x5002e080, // WS_CHILD|WS_VISIBLE|WS_GROUP|SS_WORDELLIPSIS|SS_EDITCONTROL|SS_NOPREFIX
dpi.Scale(12), dpi.Scale(10), dpi.Scale(241), dpi.Scale(16), wnd, 0, instance)
textCtl, _ = createWindow(0, "STATIC", text,
0x5002e080, // WS_CHILD|WS_VISIBLE|WS_GROUP|SS_WORDELLIPSIS|SS_EDITCONTROL|SS_NOPREFIX
12, 10, 241, 16, wnd, 0, instance)
var flags uintptr = 0x50030080 // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP|ES_AUTOHSCROLL
if password {
@ -331,14 +359,17 @@ func editBox(title, text, defaultText, className string, password bool) (out str
}
editCtl, _ = createWindow(0x200, // WS_EX_CLIENTEDGE
"EDIT", defaultText, flags,
dpi.Scale(12), dpi.Scale(30), dpi.Scale(241), dpi.Scale(24), wnd, 0, instance)
12, 30, 241, 24, wnd, 0, instance)
okBtn, _ = createWindow(0, "BUTTON", "OK", 0x50030001, // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP|BS_DEFPUSHBUTTON
dpi.Scale(12), dpi.Scale(65), dpi.Scale(75), dpi.Scale(24), wnd, 1 /* IDOK */, instance)
cancelBtn, _ = createWindow(0, "BUTTON", "Cancel", 0x50010000, // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP
dpi.Scale(95), dpi.Scale(65), dpi.Scale(75), dpi.Scale(24), wnd, 2 /* IDCANCEL */, instance)
extraBtn, _ = createWindow(0, "BUTTON", "Extra", 0x50010000, // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP
dpi.Scale(178), dpi.Scale(65), dpi.Scale(75), dpi.Scale(24), wnd, 7 /* IDNO */, instance)
okBtn, _ = createWindow(0, "BUTTON", "OK",
0x50030001, // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP|BS_DEFPUSHBUTTON
12, 65, 75, 24, wnd, 1 /* IDOK */, instance)
cancelBtn, _ = createWindow(0, "BUTTON", "Cancel",
0x50010000, // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP
95, 65, 75, 24, wnd, 2 /* IDCANCEL */, instance)
extraBtn, _ = createWindow(0, "BUTTON", "Extra",
0x50010000, // WS_CHILD|WS_VISIBLE|WS_GROUP|WS_TABSTOP
178, 65, 75, 24, wnd, 7 /* IDNO */, instance)
layout(getDPI(wnd))
centerWindow(wnd)