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Improved demos

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- Bug fix #33 : Drag and drop is now supported in OSR mode.
- Improved keyboard handling in OSR mode.
- MiniBrowser demo : The DOM visitor and the Javascript extensions now
send customized results to the main form
- Fixed some CEF3 variable definitions.
This commit is contained in:
Salvador Diaz Fau
2017-07-18 17:50:28 +02:00
parent 9959b4b1e8
commit 5766453f91
49 changed files with 3486 additions and 1198 deletions
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165
source/uCEFMiscFunctions.pas
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@@ -48,9 +48,9 @@ interface
uses
{$IFDEF DELPHI16_UP}
WinApi.Windows, System.Classes, System.SysUtils,
WinApi.Windows, System.Classes, System.SysUtils, System.UITypes, WinApi.ActiveX,
{$ELSE}
Windows, Classes, SysUtils,
Windows, Classes, SysUtils, UITypes, ActiveX,
{$ENDIF}
uCEFTypes, uCEFInterfaces, uCEFLibFunctions, uCEFResourceHandler;
@@ -165,6 +165,15 @@ function CefDeleteFile(const path: ustring; recursive: Boolean): Boolean;
function CefZipDirectory(const srcDir, destFile: ustring; includeHiddenFiles: Boolean): Boolean;
procedure CefLoadCRLSetsFile(const path : ustring);
function CefIsKeyDown(aWparam : WPARAM) : boolean;
function CefIsKeyToggled(aWparam : WPARAM) : boolean;
function GetCefMouseModifiers(awparam : WPARAM) : TCefEventFlags;
function GetCefKeyboardModifiers(aWparam : WPARAM; aLparam : LPARAM) : TCefEventFlags;
function GefCursorToWindowsCursor(aCefCursor : TCefCursorType) : TCursor;
procedure DropEffectToDragOperation(aEffect : Longint; var aAllowedOps : TCefDragOperations);
procedure DragOperationToDropEffect(const aDragOperations : TCefDragOperations; var aEffect: Longint);
implementation
uses
@@ -987,4 +996,156 @@ begin
cef_load_crlsets_file(@TempPath);
end;
function CefIsKeyDown(aWparam : WPARAM) : boolean;
begin
Result := (GetKeyState(aWparam) < 0);
end;
function CefIsKeyToggled(aWparam : WPARAM) : boolean;
begin
Result := (GetKeyState(aWparam) and $1) <> 0;
end;
function GetCefMouseModifiers(aWparam : WPARAM) : TCefEventFlags;
begin
Result := EVENTFLAG_NONE;
if ((aWparam and MK_CONTROL) <> 0) then Result := Result or EVENTFLAG_CONTROL_DOWN;
if ((aWparam and MK_SHIFT) <> 0) then Result := Result or EVENTFLAG_SHIFT_DOWN;
if ((aWparam and MK_LBUTTON) <> 0) then Result := Result or EVENTFLAG_LEFT_MOUSE_BUTTON;
if ((aWparam and MK_MBUTTON) <> 0) then Result := Result or EVENTFLAG_MIDDLE_MOUSE_BUTTON;
if ((aWparam and MK_RBUTTON) <> 0) then Result := Result or EVENTFLAG_RIGHT_MOUSE_BUTTON;
if CefIsKeyDown(VK_MENU) then Result := Result or EVENTFLAG_ALT_DOWN;
if CefIsKeyToggled(VK_NUMLOCK) then Result := Result or EVENTFLAG_NUM_LOCK_ON;
if CefIsKeyToggled(VK_CAPITAL) then Result := Result or EVENTFLAG_CAPS_LOCK_ON;
end;
function GetCefKeyboardModifiers(aWparam : WPARAM; aLparam : LPARAM) : TCefEventFlags;
begin
Result := EVENTFLAG_NONE;
if CefIsKeyDown(VK_SHIFT) then Result := Result or EVENTFLAG_SHIFT_DOWN;
if CefIsKeyDown(VK_CONTROL) then Result := Result or EVENTFLAG_CONTROL_DOWN;
if CefIsKeyDown(VK_MENU) then Result := Result or EVENTFLAG_ALT_DOWN;
if CefIsKeyToggled(VK_NUMLOCK) then Result := Result or EVENTFLAG_NUM_LOCK_ON;
if CefIsKeyToggled(VK_CAPITAL) then Result := Result or EVENTFLAG_CAPS_LOCK_ON;
case aWparam of
VK_RETURN:
if (((aLparam shr 16) and KF_EXTENDED) <> 0) then Result := Result or EVENTFLAG_IS_KEY_PAD;
VK_INSERT,
VK_DELETE,
VK_HOME,
VK_END,
VK_PRIOR,
VK_NEXT,
VK_UP,
VK_DOWN,
VK_LEFT,
VK_RIGHT :
if (((aLparam shr 16) and KF_EXTENDED) = 0) then Result := Result or EVENTFLAG_IS_KEY_PAD;
VK_NUMLOCK,
VK_NUMPAD0,
VK_NUMPAD1,
VK_NUMPAD2,
VK_NUMPAD3,
VK_NUMPAD4,
VK_NUMPAD5,
VK_NUMPAD6,
VK_NUMPAD7,
VK_NUMPAD8,
VK_NUMPAD9,
VK_DIVIDE,
VK_MULTIPLY,
VK_SUBTRACT,
VK_ADD,
VK_DECIMAL,
VK_CLEAR :
Result := Result or EVENTFLAG_IS_KEY_PAD;
VK_SHIFT :
if CefIsKeyDown(VK_LSHIFT) then
Result := Result or EVENTFLAG_IS_LEFT
else
if CefIsKeyDown(VK_RSHIFT) then
Result := Result or EVENTFLAG_IS_RIGHT;
VK_CONTROL :
if CefIsKeyDown(VK_LCONTROL) then
Result := Result or EVENTFLAG_IS_LEFT
else
if CefIsKeyDown(VK_RCONTROL) then
Result := Result or EVENTFLAG_IS_RIGHT;
VK_MENU :
if CefIsKeyDown(VK_LMENU) then
Result := Result or EVENTFLAG_IS_LEFT
else
if CefIsKeyDown(VK_RMENU) then
Result := Result or EVENTFLAG_IS_RIGHT;
VK_LWIN :
Result := Result or EVENTFLAG_IS_LEFT;
VK_RWIN :
Result := Result or EVENTFLAG_IS_RIGHT;
end;
end;
function GefCursorToWindowsCursor(aCefCursor : TCefCursorType) : TCursor;
begin
case aCefCursor of
CT_POINTER : Result := crArrow;
CT_CROSS : Result := crCross;
CT_HAND : Result := crHandPoint;
CT_IBEAM : Result := crIBeam;
CT_WAIT : Result := crHourGlass;
CT_HELP : Result := crHelp;
CT_EASTRESIZE : Result := crSizeWE;
CT_NORTHRESIZE : Result := crSizeNS;
CT_NORTHEASTRESIZE : Result := crSizeNESW;
CT_NORTHWESTRESIZE : Result := crSizeNWSE;
CT_SOUTHRESIZE : Result := crSizeNS;
CT_SOUTHEASTRESIZE : Result := crSizeNWSE;
CT_SOUTHWESTRESIZE : Result := crSizeNESW;
CT_WESTRESIZE : Result := crSizeWE;
CT_NORTHSOUTHRESIZE : Result := crSizeNS;
CT_EASTWESTRESIZE : Result := crSizeWE;
CT_NORTHEASTSOUTHWESTRESIZE : Result := crSizeNESW;
CT_NORTHWESTSOUTHEASTRESIZE : Result := crSizeNWSE;
CT_COLUMNRESIZE : Result := crHSplit;
CT_ROWRESIZE : Result := crVSplit;
CT_MOVE : Result := crSizeAll;
CT_PROGRESS : Result := crAppStart;
CT_NONE : Result := crNone;
CT_NODROP,
CT_NOTALLOWED : Result := crNo;
CT_GRAB,
CT_GRABBING : Result := crDrag;
else Result := crDefault;
end;
end;
procedure DropEffectToDragOperation(aEffect: Longint; var aAllowedOps : TCefDragOperations);
begin
aAllowedOps := DRAG_OPERATION_NONE;
if ((aEffect and DROPEFFECT_COPY) <> 0) then aAllowedOps := aAllowedOps or DRAG_OPERATION_COPY;
if ((aEffect and DROPEFFECT_LINK) <> 0) then aAllowedOps := aAllowedOps or DRAG_OPERATION_LINK;
if ((aEffect and DROPEFFECT_MOVE) <> 0) then aAllowedOps := aAllowedOps or DRAG_OPERATION_MOVE;
end;
procedure DragOperationToDropEffect(const aDragOperations : TCefDragOperations; var aEffect: Longint);
begin
aEffect := DROPEFFECT_NONE;
if ((aDragOperations and DRAG_OPERATION_COPY) <> 0) then aEffect := aEffect or DROPEFFECT_COPY;
if ((aDragOperations and DRAG_OPERATION_LINK) <> 0) then aEffect := aEffect or DROPEFFECT_LINK;
if ((aDragOperations and DRAG_OPERATION_MOVE) <> 0) then aEffect := aEffect or DROPEFFECT_MOVE;
end;
end.