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root_window_win.go
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root_window_win.go
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package main
import (
"fmt"
"log"
"strconv"
"strings"
"syscall"
"unicode/utf16"
"unsafe"
"github.com/turutcrane/cefingo/capi"
"github.com/turutcrane/cefingo/cef"
"github.com/turutcrane/win32api"
)
type RootWindowWin struct {
key int
initial_url string
with_controls_ bool
always_on_top_ bool
with_osr_ bool
with_extension_ bool
no_activate_ bool
is_popup_ bool
start_rect_ win32api.Rect
browser_settings_ *capi.CBrowserSettingsT
browser_window_ BrowserWindow
hwnd_ win32api.HWND
draggable_region_ win32api.HRGN
font_ win32api.HFONT
font_height_ int
back_hwnd_ win32api.HWND
forward_hwnd_ win32api.HWND
reload_hwnd_ win32api.HWND
stop_hwnd_ win32api.HWND
edit_hwnd_ win32api.HWND
edit_wndproc_old_ win32api.WNDPROC
find_hwnd_ win32api.HWND
find_message_id_ win32api.UINT
find_wndproc_old_ win32api.WNDPROC
find_state_ win32api.Findreplace
find_buff_ [80]uint16
find_what_last_ string
find_next_ bool
find_match_case_last_ bool
called_enable_non_client_dpi_scaling_ bool
window_destroyed_ bool
browser_destroyed_ bool
}
func (rw *RootWindowWin) WithExtesion() bool {
return rw.with_extension_
}
type DeviceScaleFactorer interface {
SetDeviceScaleFactor(float32)
GetDeviceScaleFactor() float32
}
type BrowserWindow interface {
// GetWindowHandle() win32api.HWND
CreateBrowser(
initial_url string,
parentHwnd win32api.HWND,
rect capi.CRectT,
settings *capi.CBrowserSettingsT,
extra_info *capi.CDictionaryValueT,
request_context *capi.CRequestContextT,
)
SetFocus(focus bool)
Hide()
Show()
IsClosing() bool
GetCBrowserT() *capi.CBrowserT
GetCClientT() *capi.CClientT
GetResourceManager() *ResourceManager
IsOsr() bool
ShowPopup(hwnd_ win32api.HWND, rect capi.CRectT)
}
func (rw *RootWindowWin) Init(
config ClientConfig,
is_popup bool,
rect win32api.Rect,
settings *capi.CBrowserSettingsT,
) {
rw.initial_url = config.main_url
rw.start_rect_ = rect
rw.with_osr_ = config.use_windowless_rendering
rw.always_on_top_ = config.always_on_top
rw.no_activate_ = config.no_activate
rw.draggable_region_ = win32api.CreateRectRgn(0, 0, 0, 0)
rw.with_controls_ = config.with_controls
rw.is_popup_ = is_popup
rw.browser_settings_ = settings
if rw.with_osr_ {
rw.browser_window_ = NewBrowserWindowOsr(
rw,
mainConfig.show_update_rect,
mainConfig.external_begin_frame_enabled,
mainConfig.windowless_frame_rate,
mainConfig.background_color,
)
} else {
capi.Logln("T111:")
rw.browser_window_ = NewBrowserWindowStd(rw)
}
return
}
func (rw *RootWindowWin) CreateWindow(
// initially_hidden bool,
) {
hInstance, err := win32api.GetModuleHandle(nil)
if err != nil {
log.Panicln("T31:", err)
}
window_title := "cefclient"
window_class := "CEFCLIENT"
background_color := mainConfig.background_color
background_brush := win32api.CreateSolidBrush(
RGB(capi.ColorGetR(background_color),
capi.ColorGetG(background_color),
capi.ColorGetB(background_color)),
)
RegisterRootClass(win32api.HINSTANCE(hInstance), window_class, background_brush)
r, err := win32api.RegisterWindowMessage(syscall.StringToUTF16Ptr(win32api.Findmsgstring))
if err != nil {
log.Panicln("T93:", err)
}
rw.find_message_id_ = r
dwStyle := win32api.DWORD(win32api.WsOverlappedwindow | win32api.WsClipchildren)
dwExStyle := win32api.DWORD(0)
if rw.always_on_top_ {
dwExStyle |= win32api.WsExTopmost
}
if rw.no_activate_ {
dwExStyle |= win32api.WsExNoactivate
}
var x, y, width, height int
if win32api.IsRectEmpty(&rw.start_rect_) {
x = win32api.CwUsedefault
y = win32api.CwUsedefault
width = win32api.CwUsedefault
height = win32api.CwUsedefault
} else {
if err := win32api.AdjustWindowRectEx(&rw.start_rect_, dwStyle, true, dwExStyle); err != nil {
log.Panicln("T85:", err)
}
}
wnd, err := win32api.CreateWindowEx(dwExStyle,
syscall.StringToUTF16Ptr(window_class),
syscall.StringToUTF16Ptr(window_title),
dwStyle,
x, y,
width, height,
0, // HWND
0, // HMENU
win32api.HINSTANCE(hInstance),
win32api.LPVOID(rw.key),
)
if wnd == 0 || err != nil || wnd != rw.hwnd_ {
log.Panicln("T52: Failed to CreateWindowsEx", wnd, err, rw.hwnd_)
}
win32api.ShowWindow(rw.hwnd_, win32api.SwShownormal)
if !win32api.UpdateWindow(rw.hwnd_) {
log.Panicln("T63: ShowWindow")
}
}
func RootWndProc(hWnd win32api.HWND, message win32api.UINT, wParam win32api.WPARAM, lParam win32api.LPARAM) win32api.LRESULT {
var self *RootWindowWin
msgId := win32api.MessageId(message)
if msgId != win32api.WmNccreate {
var ok bool
self, ok = windowManager.GetRootWin(hWnd)
if !ok {
return win32api.DefWindowProc(hWnd, message, wParam, lParam)
}
if self.hwnd_ != hWnd {
log.Panicln("T93: hwnd missmatch!", self.hwnd_, hWnd)
}
}
if self != nil && message == self.find_message_id_ {
// lpfr := w32.LPFINDREPLACE(lParam)
if uintptr(lParam) != uintptr(unsafe.Pointer(&self.find_state_)) {
log.Panicln("T155: lParam not match", lParam, self.find_state_)
}
self.OnFindEvent()
return 0
}
switch msgId {
case win32api.WmCommand:
if self.OnCommand(win32api.UINT(win32api.LOWORD(wParam))) {
return 0
}
case win32api.WmGetobject:
// Only the lower 32 bits of lParam are valid when checking the object id
// because it sometimes gets sign-extended incorrectly (but not always).
obj_id := win32api.DWORD(lParam)
// Accessibility readers will send an OBJID_CLIENT message.
if win32api.DWORD(0xffffffff&win32api.ObjidClient) == obj_id {
h := self.GetBrowser().GetHost()
defer h.Unref()
if self.GetBrowser() != nil && h != nil {
h.SetAccessibilityState(capi.StateEnabled)
}
}
case win32api.WmPaint:
self.OnPaint()
return 0
case win32api.WmActivate:
self.OnActivate(win32api.LOWORD(wParam) != win32api.WaInactive)
// Allow DefWindowProc to set keyboard focus.
case win32api.WmSetfocus:
self.OnFocus()
return 0
case win32api.WmSize:
self.OnSize(wParam == win32api.SizeMinimized)
case win32api.WmMoving, win32api.WmMove:
self.OnMove()
return 0
case win32api.WmDpichanged:
self.OnDpiChanged(wParam, lParam)
case win32api.WmErasebkgnd:
if !self.OnEraseBkgnd() {
return 0 // Don't erase the background.
}
case win32api.WmEntermenuloop:
if wParam == 0 {
// Entering the menu loop for the application menu.
capi.SetOsmodalLoop(true)
}
case win32api.WmExitmenuloop:
if wParam == 0 {
// Exiting the menu loop for the application menu.
capi.SetOsmodalLoop(false)
}
case win32api.WmClose:
if self.OnClose() {
return 0
}
case win32api.WmNchittest:
hit := win32api.DefWindowProc(hWnd, message, wParam, lParam)
if hit == win32api.Htclient {
points := win32api.Makepoints(lParam)
point := win32api.Point{X: win32api.LONG(points.X), Y: win32api.LONG(points.Y)}
win32api.ScreenToClient(hWnd, &point)
if win32api.PtInRegion(self.draggable_region_, int(point.X), int(point.Y)) {
// If cursor is inside a draggable region return HTCAPTION to allow
// dragging.
return win32api.Htcaption
}
}
return hit
case win32api.WmNccreate:
cs := win32api.ToPCreatestruct(lParam)
self := windowManager.Lookup(int(cs.CreateParams))
if self == nil {
log.Panicln("T111: self not set")
}
// Associate |self| with the main window.
// SetUserDataPtr(hWnd, self);
windowManager.SetRootWin(hWnd, self)
self.hwnd_ = hWnd
self.OnNCCreate(cs)
case win32api.WmCreate:
cs := win32api.ToPCreatestruct(lParam)
self.OnCreate(cs)
case win32api.WmNcdestroy:
// win32api.SetUserDataPtr(wWnd, nil)
windowManager.RemoveRootWin(hWnd)
self.hwnd_ = 0
self.OnDestroyed()
}
return win32api.DefWindowProc(hWnd, message, wParam, lParam)
}
func (self *RootWindowWin) OnNCCreate(cs *win32api.Createstruct) {
if IsProcessPerMonitorDpiAware() {
if err := win32api.EnableNonClientDpiScaling(self.hwnd_); err != nil {
log.Panicln("T191:", err)
}
self.called_enable_non_client_dpi_scaling_ = true
}
}
func (self *RootWindowWin) OnCreate(cs *win32api.Createstruct) {
hInstance := cs.Instance
var rect win32api.Rect
if err := win32api.GetClientRect(self.hwnd_, &rect); err != nil {
log.Panicln("T221: GetClientRect")
}
if self.with_controls_ {
// if (with_controls_) skip
x_offset := 0
button_width := GetButtonWidth(self.hwnd_)
urlbar_height := GetURLBarHeight(self.hwnd_)
// with_controles_
if back_hwnd_, err := win32api.CreateWindowEx(
win32api.DWORD(0),
syscall.StringToUTF16Ptr("BUTTON"), syscall.StringToUTF16Ptr("Back"),
win32api.WsChild|win32api.WsVisible|win32api.BsPushbutton|win32api.WsDisabled,
x_offset, 0, button_width, urlbar_height,
self.hwnd_, win32api.HMENU(IdcNavBack),
hInstance, 0,
); err == nil {
self.back_hwnd_ = back_hwnd_
} else {
log.Panicln("T242: Create Button", err)
}
x_offset += button_width
if forward_hwnd_, err := win32api.CreateWindowEx(
win32api.DWORD(0),
syscall.StringToUTF16Ptr("BUTTON"), syscall.StringToUTF16Ptr("Forward"),
win32api.WsChild|win32api.WsVisible|win32api.BsPushbutton|win32api.WsDisabled,
x_offset, 0, button_width, urlbar_height,
self.hwnd_, win32api.HMENU(IdcNavForward),
hInstance, 0,
); err == nil {
self.forward_hwnd_ = forward_hwnd_
} else {
log.Panicln("T242: Create Button", err)
}
x_offset += button_width
if reload_hwnd_, err := win32api.CreateWindowEx(
win32api.DWORD(0),
syscall.StringToUTF16Ptr("BUTTON"), syscall.StringToUTF16Ptr("Reload"),
win32api.WsChild|win32api.WsVisible|win32api.BsPushbutton|win32api.WsDisabled,
x_offset, 0, button_width, urlbar_height,
self.hwnd_, win32api.HMENU(IdcNavReload),
hInstance, 0,
); err == nil {
self.reload_hwnd_ = reload_hwnd_
} else {
log.Panicln("T242: Create Button", err)
}
x_offset += button_width
if stop_hwnd_, err := win32api.CreateWindowEx(
win32api.DWORD(0),
syscall.StringToUTF16Ptr("BUTTON"), syscall.StringToUTF16Ptr("Stop"),
win32api.WsChild|win32api.WsVisible|win32api.BsPushbutton|win32api.WsDisabled,
x_offset, 0, button_width, urlbar_height,
self.hwnd_, win32api.HMENU(IdcNavStop),
hInstance, 0,
); err == nil {
self.stop_hwnd_ = stop_hwnd_
} else {
log.Panicln("T242: Create Button", err)
}
x_offset += button_width
if edit_hwnd_, err := win32api.CreateWindowEx(
win32api.DWORD(0),
syscall.StringToUTF16Ptr("EDIT"), nil,
win32api.WsChild|win32api.WsVisible|win32api.WsBorder|
win32api.EsLeft|win32api.EsAutovscroll|win32api.EsAutohscroll|win32api.WsDisabled,
x_offset, 0, int(rect.Right)-button_width*4, urlbar_height,
self.hwnd_, 0,
hInstance, 0,
); err == nil {
self.edit_hwnd_ = edit_hwnd_
} else {
log.Panicln("T242: Create Button", err)
}
x_offset += button_width
// // Override the edit control's window procedure.
self.edit_wndproc_old_ = SetWndProc(self.edit_hwnd_, EditWndProc)
// // Associate |this| with the edit window.
// SetUserDataPtr(edit_hwnd_, this)
windowManager.SetRootWin(self.edit_hwnd_, self)
rect.Top += win32api.LONG(urlbar_height)
if !self.with_osr_ {
if hMenu := win32api.GetMenu(self.hwnd_); hMenu != 0 {
if hTestMenu := win32api.GetSubMenu(hMenu, 2); hTestMenu != 0 {
if err := win32api.RemoveMenu(hTestMenu, IdTestsOsrFps, win32api.MfBycommand); err != nil {
log.Panicln("T410:", err)
}
if err := win32api.RemoveMenu(hTestMenu, IdTestsOsrDsf, win32api.MfBycommand); err != nil {
log.Panicln("T413:", err)
}
}
}
}
} else {
win32api.SetMenu(self.hwnd_, 0)
}
device_scale_factor := GetWindowScaleFactor(self.hwnd_)
if dsfer, ok := self.browser_window_.(DeviceScaleFactorer); ok {
dsfer.SetDeviceScaleFactor(device_scale_factor)
}
r := capi.CRectT{}
r.SetX(int(rect.Left))
r.SetY(int(rect.Top))
r.SetWidth(int(rect.Right - rect.Left))
r.SetHeight(int(rect.Bottom - rect.Top))
if self.is_popup_ {
self.browser_window_.ShowPopup(self.hwnd_, r)
} else {
capi.Logln("T446:", self.browser_window_, self.browser_window_.GetCClientT())
self.browser_window_.CreateBrowser(self.initial_url, self.hwnd_, r, self.browser_settings_, nil, nil) // delegate が PDF extension を許可している)
}
}
func (self *RootWindowWin) OnPaint() {
var ps win32api.Paintstruct
win32api.BeginPaint(self.hwnd_, &ps)
win32api.EndPaint(self.hwnd_, &ps)
}
func (self *RootWindowWin) OnActivate(active bool) {
}
func (self *RootWindowWin) OnFocus() {
if self.browser_window_ != nil && win32api.IsWindowEnabled(self.hwnd_) {
self.browser_window_.SetFocus(true)
}
}
func (self *RootWindowWin) OnSize(minimized bool) {
if minimized {
if self.browser_window_ != nil {
self.browser_window_.Hide()
}
return
}
if self.browser_window_ != nil {
self.browser_window_.Show()
}
var rect win32api.Rect
if self.hwnd_ != 0 {
if err := win32api.GetClientRect(self.hwnd_, &rect); err != nil {
log.Panicln("T269: GetClientRect", err, self.hwnd_)
}
}
if self.with_controls_ && self.edit_hwnd_ != 0 {
button_width := GetButtonWidth(self.hwnd_)
urlbar_height := GetURLBarHeight(self.hwnd_)
font_height := LogicalToDevice(14, GetWindowScaleFactor(self.hwnd_))
if font_height != self.font_height_ {
self.font_height_ = font_height
if self.font_ != 0 {
win32api.DeleteObject(win32api.HGDIOBJ(self.font_))
}
self.font_ = win32api.CreateFont(-font_height, 0, 0, 0,
win32api.FwDontcare, false, false, false,
win32api.DefaultCharset,
win32api.OutDefaultPrecis,
win32api.ClipDefaultPrecis,
win32api.DefaultQuality,
win32api.DefaultPitch|win32api.FfDontcare,
syscall.StringToUTF16Ptr("Arial"),
)
win32api.SendMessage(self.back_hwnd_, win32api.UINT(win32api.WmSetfont), win32api.WPARAM(self.font_), 1)
win32api.SendMessage(self.forward_hwnd_, win32api.UINT(win32api.WmSetfont), win32api.WPARAM(self.font_), 1)
win32api.SendMessage(self.reload_hwnd_, win32api.UINT(win32api.WmSetfont), win32api.WPARAM(self.font_), 1)
win32api.SendMessage(self.stop_hwnd_, win32api.UINT(win32api.WmSetfont), win32api.WPARAM(self.font_), 1)
win32api.SendMessage(self.edit_hwnd_, win32api.UINT(win32api.WmSetfont), win32api.WPARAM(self.font_), 1)
}
rect.Top += win32api.LONG(urlbar_height)
x_offset := int(rect.Left)
var browser_hwnd win32api.HWND
if self.browser_window_ != nil {
browser_hwnd = GetWindowHandle(self.browser_window_.GetCBrowserT())
}
var hdwp win32api.HDWP
var err error
if browser_hwnd != 0 {
hdwp, err = win32api.BeginDeferWindowPos(6)
} else {
hdwp, err = win32api.BeginDeferWindowPos(5)
}
if err != nil {
log.Panicln("T317:", err)
}
hdwp, err = win32api.DeferWindowPos(hdwp, self.back_hwnd_, 0, x_offset, 0, button_width, urlbar_height, win32api.SwpNozorder)
if err != nil {
log.Panicln("T322:", err)
}
x_offset += button_width
hdwp, err = win32api.DeferWindowPos(hdwp, self.forward_hwnd_, 0, x_offset, 0, button_width, urlbar_height, win32api.SwpNozorder)
if err != nil {
log.Panicln("T322:", err)
}
x_offset += button_width
hdwp, err = win32api.DeferWindowPos(hdwp, self.reload_hwnd_, 0, x_offset, 0, button_width, urlbar_height, win32api.SwpNozorder)
if err != nil {
log.Panicln("T322:", err)
}
x_offset += button_width
hdwp, err = win32api.DeferWindowPos(hdwp, self.stop_hwnd_, 0, x_offset, 0, button_width, urlbar_height, win32api.SwpNozorder)
if err != nil {
log.Panicln("T322:", err)
}
x_offset += button_width
hdwp, err = win32api.DeferWindowPos(hdwp, self.edit_hwnd_, 0, x_offset, 0, int(rect.Right)-x_offset, urlbar_height, win32api.SwpNozorder)
if err != nil {
log.Panicln("T322:", err)
}
if browser_hwnd != 0 {
hdwp, err = win32api.DeferWindowPos(
hdwp, browser_hwnd, 0,
int(rect.Left), int(rect.Top),
int(rect.Right-rect.Left), int(rect.Bottom-rect.Top),
win32api.SwpNozorder,
)
}
err = win32api.EndDeferWindowPos(hdwp)
if err != nil {
log.Panicln("T359:", err)
}
} else if self.browser_window_ != nil {
SetBounds(self.browser_window_.GetCBrowserT(), 0, 0, uint32(rect.Right), uint32(rect.Bottom))
}
}
func (self *RootWindowWin) OnMove() {
browser := self.GetBrowser()
if browser != nil {
h := browser.GetHost()
defer h.Unref()
h.NotifyMoveOrResizeStarted()
}
}
func (self *RootWindowWin) OnDpiChanged(wParam win32api.WPARAM, lParam win32api.LPARAM) {
if win32api.LOWORD(wParam) != win32api.HIWORD(wParam) {
log.Println("Not Implemented: Received non-square scaling factors")
return
}
if self.browser_window_ != nil && self.with_osr_ {
// Scale factor for the new display.
// static_cast<float>(LOWORD(wParam)) / DPI_1X;
display_scale_factor := float32(win32api.LOWORD(wParam)) / DPI_1X
if dsfer, ok := self.browser_window_.(DeviceScaleFactorer); ok {
dsfer.SetDeviceScaleFactor(display_scale_factor)
}
}
rect := win32api.LParamToPRect(lParam)
self.SetBounds(int(rect.Left), int(rect.Top),
uint32(rect.Right-rect.Left), uint32(rect.Bottom-rect.Top),
)
}
func (self *RootWindowWin) OnEraseBkgnd() bool {
// Erase the background when the browser does not exist.
return (self.GetBrowser() == nil)
}
func (self *RootWindowWin) OnClose() bool {
if self.browser_window_ != nil && !self.browser_window_.IsClosing() {
browser := self.GetBrowser()
if browser != nil {
h := browser.GetHost()
defer h.Unref()
h.CloseBrowser(false)
return true
}
}
return false
}
func (self *RootWindowWin) OnBrowserWindowClosing() {
// Nothing to do
}
func (self *RootWindowWin) OnBrowserWindowDestroyed() {
self.browser_window_ = nil
if !self.window_destroyed_ {
self.Close(true)
}
self.browser_destroyed_ = true
self.NotifyDestroyedIfDone()
}
func (self *RootWindowWin) OnDestroyed() {
self.window_destroyed_ = true
self.NotifyDestroyedIfDone()
}
func (self *RootWindowWin) OnFindEvent() {
browser := self.GetBrowser()
host := browser.GetHost()
defer host.Unref()
if (self.find_state_.Flags & win32api.FrDialogterm) != 0 {
if browser != nil {
host.StopFinding(true)
self.find_what_last_ = ""
self.find_next_ = false
}
} else if (self.find_state_.Flags&win32api.FrFindnext) != 0 && browser != nil {
match_case := self.find_state_.Flags&win32api.FrMatchcase != 0
find_what := syscall.UTF16ToString(self.find_buff_[:])
if match_case != self.find_match_case_last_ || find_what != self.find_what_last_ {
if find_what != "" {
host.StopFinding(true)
self.find_next_ = false
}
self.find_match_case_last_ = match_case
self.find_what_last_ = find_what
}
host.Find(
find_what,
(self.find_state_.Flags&win32api.FrDown) != 0,
match_case, self.find_next_,
)
if !self.find_next_ {
self.find_next_ = true
}
}
}
func (self *RootWindowWin) OnCommand(id win32api.UINT) bool {
if id >= IdTestsFirst && id <= IdTestsLast {
onTestCommand(self, id)
}
switch id {
case IdmAbout:
self.OnAbout()
return true
case IdmExit:
windowManager.CloseAllWindows(false)
return true
case IdFind:
self.OnFind()
return true
case IdcNavBack:
browser := self.GetBrowser()
if browser != nil {
browser.GoBack()
}
return true
case IdcNavForward:
browser := self.GetBrowser()
if browser != nil {
browser.GoForward()
}
return true
case IdcNavReload:
browser := self.GetBrowser()
if browser != nil {
browser.Reload()
}
return true
case IdcNavStop:
browser := self.GetBrowser()
if browser != nil {
browser.StopLoad()
}
return true
}
return false
}
func (self *RootWindowWin) OnAbout() {
hInstance, err := win32api.GetModuleHandle(nil)
if err != nil {
log.Panicln("T594:", err)
}
win32api.DialogBoxParam(
win32api.HINSTANCE(hInstance),
win32api.MakeIntResource(IddAboutbox),
self.hwnd_,
win32api.DLGPROC(syscall.NewCallback(AboutWndProc)),
0,
)
}
func AboutWndProc(hDlg win32api.HWND, message win32api.MessageId, wParam win32api.WPARAM, lParam win32api.LPARAM) win32api.LRESULT {
switch message {
case win32api.WmInitdialog:
return win32api.True
case win32api.WmCommand:
action := int(win32api.LOWORD(wParam))
if action == win32api.Idok || action == win32api.Idcancel {
win32api.EndDialog(hDlg, win32api.INT_PTR(action))
return win32api.True
}
}
return win32api.False
}
func (rw *RootWindowWin) OnFind() {
if rw.find_hwnd_ != 0 {
win32api.SetFocus(rw.find_hwnd_)
return
}
rw.find_state_ = win32api.Findreplace{}
rw.find_state_.StructSize = win32api.DWORD((unsafe.Sizeof(win32api.Findreplace{})))
rw.find_state_.Owner = rw.hwnd_
rw.find_state_.FindWhat = (*uint16)(unsafe.Pointer(&rw.find_buff_))
rw.find_state_.FindWhatLen = win32api.WORD(unsafe.Sizeof(rw.find_buff_))
rw.find_state_.Flags = win32api.FrHidewholeword | win32api.FrDown
rw.find_hwnd_ = win32api.FindText(&rw.find_state_)
if rw.find_hwnd_ == 0 {
r := win32api.CommDlgExtendedError()
log.Panicf("T647: %x\n", r)
}
rw.find_wndproc_old_ = SetWndProc(rw.find_hwnd_, FindWndProc)
windowManager.SetRootWin(rw.find_hwnd_, rw)
}
func FindWndProc(hWnd win32api.HWND, message win32api.UINT, wParam win32api.WPARAM, lParam win32api.LPARAM) win32api.LRESULT {
self, ok := windowManager.GetRootWin(hWnd)
if !ok {
log.Panicln("T656:", hWnd)
}
if hWnd != self.find_hwnd_ {
log.Panicln("T659: find_hwnd_ not match", hWnd, self.find_hwnd_)
}
msgId := win32api.MessageId(message)
switch msgId {
case win32api.WmActivate:
// nothing to do on single thread message loop
return 0
case win32api.WmNcdestroy:
windowManager.RemoveRootWin(hWnd)
self.find_hwnd_ = 0
}
return win32api.CallWindowProc(self.find_wndproc_old_, hWnd, message, wParam, lParam)
}
func onTestCommand(rw *RootWindowWin, id win32api.UINT) {
browser := rw.GetBrowser()
if browser == nil {
return
}
switch id {
case IdTestsGetsource:
runGetSourceTest(rw.browser_window_)
case IdTestsGettext:
runGetTextTest(rw.browser_window_)
case IdTestsWindowNew:
runNewWindowTest(rw.initial_url, rw.browser_window_)
case IdTestsWindowPopup:
runPopupWindowTest(rw.browser_window_)
case IdTestsRequest:
runRequestTest(rw.browser_window_)
// case IdTestsPluginInfo:
// runPluginInfo(rw.browser_window_)
case IdTestsZoomIn:
ModifyZoom(rw.browser_window_.GetCBrowserT(), 0.5)
case IdTestsZoomOut:
ModifyZoom(rw.browser_window_.GetCBrowserT(), -0.5)
case IdTestsZoomReset:
rw.browser_window_.GetCBrowserT().GetHost().SetZoomLevel(0.0)
case IdTestsOsrFps:
PromptFPS(rw.browser_window_.GetCBrowserT())
case IdTestsOsrDsf:
PromptDSF(rw.browser_window_.GetCBrowserT())
case IdTestsTracingBegin:
BeginTracing()
case IdTestsTracingEnd:
EndTracing(rw.browser_window_.GetCBrowserT())
case IdTestsPrint:
h := browser.GetHost()
defer h.Unref()
h.Print()
case IdTestsPrintToPdf:
PrintToPdf(rw.browser_window_.GetCBrowserT())
case IdTestsMuteAudio:
MuteAudio(rw.browser_window_.GetCBrowserT(), true)
case IdTestsUnmuteAudio:
MuteAudio(rw.browser_window_.GetCBrowserT(), false)
case IdTestsOtherTests:
RunOtherTests(rw.browser_window_.GetCBrowserT())
}
}
func runGetSourceTest(browser BrowserWindow) {
GetSource(browser)
}
func runGetTextTest(browser BrowserWindow) {
GetText(browser)
}
func runNewWindowTest(initial_url string, browser BrowserWindow) {
browserSettings := capi.NewCBrowserSettingsT()
rect := win32api.Rect{}
h := browser.GetCBrowserT().GetHost()
defer h.Unref()
with_osr := h.IsWindowRenderingDisabled()
config := mainConfig
config.main_url = initial_url
config.use_windowless_rendering = with_osr
windowManager.CreateRootWindow(config, false, rect, browserSettings)
}
func runPopupWindowTest(browser BrowserWindow) {
browser.GetCBrowserT().GetMainFrame().ExecuteJavaScript(
"window.open('http://www.google.com');", "about:blank", 0)
}
func runRequestTest(browser BrowserWindow) {
frame := browser.GetCBrowserT().GetMainFrame()
defer frame.Unref()
url := frame.GetUrl()
if !strings.HasPrefix(url, kTestOrigin) {
msg := "Please first navigate to a http://tests/ URL. " +
"For example, first load Tests > Other Tests."
frame.ExecuteJavaScript("alert('"+msg+"');", url, 0)
return
}
request := capi.RequestCreate()
request.SetUrl(kTestOrigin + kTestRequestPage)
// Add post data to the request. The correct method and content-
// type headers will be set by CEF.
postDataElement := capi.PostDataElementCreate()
postDataElement.SetToBytes([]byte("arg1=val1&arg2=val2"))
postData := capi.PostDataCreate()
postData.AddElement(postDataElement)
request.SetPostData(postData)
// Add a custom header
h := cef.NewStringMultimap()
capi.StringMultimapAppend(h.CefObject(), "X-My-Header", "My Header Value")
request.SetHeaderMap(h.CefObject())
frame.LoadRequest(request)
}
// func runPluginInfo(browser BrowserWindow) {
// visitor := GetPlugInInfoVisitor(browser.GetCBrowserT(), browser.GetResourceManager())
// capi.VisitWebPluginInfo(visitor)
// }
func PromptFPS(browser *capi.CBrowserT) {
if !capi.CurrentlyOn(capi.TidUi) {
cef.PostTask(capi.TidUi, cef.TaskFunc(func() {
PromptFPS(browser)
}))
return
}
fps := browser.GetHost().GetWindowlessFrameRate()
Prompt(browser, kPromptFPS, "Enter FPS", strconv.Itoa(fps))
}
func Prompt(browser *capi.CBrowserT, prompt string, label string, default_value string) {
// Prompt the user for a new value. Works as follows:
// 1. Show a prompt() dialog via JavaScript.
// 2. Pass the result to window.cefQuery().
// 3. Handle the result in PromptHandler::OnQuery.
code := fmt.Sprintf("window.%s({'request': '%s' + prompt('%s', '%s')});", jsQueryFunctionName,
prompt, label, default_value)
browser.GetMainFrame().ExecuteJavaScript(
code, browser.GetMainFrame().GetUrl(), 0)
}
func PromptDSF(browser *capi.CBrowserT) {
if !capi.CurrentlyOn(capi.TidUi) {
cef.PostTask(capi.TidUi, cef.TaskFunc(func() {
PromptDSF(browser)
}))
return
}
dsf := windowManager.GetRootWinForBrowser(browser.GetIdentifier()).GetDeviceScaleFactor()
Prompt(browser, kPromptDSF, "Enter DSF", strconv.FormatFloat(float64(dsf), 'f', -1, 32))
}
func ModifyZoom(browser *capi.CBrowserT, delta float64) {
browser.GetHost().SetZoomLevel(browser.GetHost().GetZoomLevel() + delta)
}
func (self *RootWindowWin) NotifyDestroyedIfDone() {
if self.window_destroyed_ && self.browser_destroyed_ {
windowManager.OnRootWindowDestroyed(self)
}
}
func (self *RootWindowWin) SetBounds(x, y int, width, height uint32) {
if self.hwnd_ != 0 {
win32api.SetWindowPos(self.hwnd_, 0, x, y, int(width), int(height), win32api.SwpNozorder)
}
}
func (self *RootWindowWin) GetBrowser() *capi.CBrowserT {
return self.browser_window_.GetCBrowserT()
}
const MaxUrlLength = 255
func EditWndProc(hWnd win32api.HWND, message win32api.UINT, wParam win32api.WPARAM, lParam win32api.LPARAM) win32api.LRESULT {
self, ok := windowManager.GetRootWin(hWnd)
if !ok {
log.Panicln("T386:", hWnd)
}
if hWnd != self.edit_hwnd_ {
log.Panicln("T391: edit_hwnd_ not match", hWnd, self.edit_hwnd_)
}
msgId := win32api.MessageId(message)
switch msgId {
case win32api.WmChar:
if wParam == win32api.VkReturn {
browser := self.GetBrowser()
urlstr := [MaxUrlLength + 1]uint16{}
urlstr[0] = MaxUrlLength
sp := win32api.LPARAM(uintptr(unsafe.Pointer(&urlstr)))
result := win32api.SendMessage(hWnd, win32api.EmGetline, 0, sp)
if result > 0 {
runes := utf16.Decode(urlstr[0:result])
url := string(runes)
browser.GetMainFrame().LoadUrl(url)
}
return 0
}
case win32api.WmNcdestroy:
windowManager.RemoveRootWin(hWnd)
self.edit_hwnd_ = 0
}
return win32api.CallWindowProc(self.edit_wndproc_old_, hWnd, message, wParam, lParam)
}
func (self *RootWindowWin) Close(force bool) {
if self.hwnd_ != 0 {
if force {