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mirror of https://github.com/salvadordf/CEF4Delphi.git synced 2024-11-24 08:02:15 +02:00
CEF4Delphi/source/uCEFButton.pas
2023-09-29 19:23:38 +02:00

118 lines
3.3 KiB
ObjectPascal

unit uCEFButton;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$I cef.inc}
{$IFNDEF TARGET_64BITS}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
interface
uses
{$IFDEF DELPHI16_UP}
System.Classes, System.SysUtils,
{$ELSE}
Classes, SysUtils,
{$ENDIF}
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes, uCEFView;
type
/// <summary>
/// A View representing a button. Depending on the specific type, the button
/// could be implemented by a native control or custom rendered. Methods must be
/// called on the browser process UI thread unless otherwise indicated.
/// </summary>
/// <remarks>
/// <para><see href="https://bitbucket.org/chromiumembedded/cef/src/master/include/capi/views/cef_button_capi.h">CEF source file: /include/capi/views/cef_button_capi.h (cef_button_t)</see></para>
/// </remarks>
TCefButtonRef = class(TCefViewRef, ICefButton)
protected
/// <summary>
/// Returns this Button as a LabelButton or NULL if this is not a LabelButton.
/// </summary>
function AsLabelButton : ICefLabelButton;
/// <summary>
/// Sets the current display state of the Button.
/// </summary>
procedure SetState(state_: TCefButtonState);
/// <summary>
/// Returns the current display state of the Button.
/// </summary>
function GetState : TCefButtonState;
/// <summary>
/// Sets the Button will use an ink drop effect for displaying state changes.
/// </summary>
procedure SetInkDropEnabled(enabled_: boolean);
/// <summary>
/// Sets the tooltip text that will be displayed when the user hovers the
/// mouse cursor over the Button.
/// </summary>
procedure SetTooltipText(const tooltip_text: ustring);
/// <summary>
/// Sets the accessible name that will be exposed to assistive technology
/// (AT).
/// </summary>
procedure SetAccessibleName(const name: ustring);
public
/// <summary>
/// Returns a ICefButton instance using a PCefButton data pointer.
/// </summary>
class function UnWrap(data: Pointer): ICefButton;
end;
implementation
uses
uCEFLibFunctions, uCEFMiscFunctions, uCEFLabelButton;
function TCefButtonRef.AsLabelButton : ICefLabelButton;
begin
Result := TCefLabelButtonRef.UnWrap(PCefButton(FData)^.as_label_button(PCefButton(FData)));
end;
procedure TCefButtonRef.SetState(state_: TCefButtonState);
begin
PCefButton(FData)^.set_state(PCefButton(FData), state_);
end;
function TCefButtonRef.GetState : TCefButtonState;
begin
Result := PCefButton(FData)^.get_state(PCefButton(FData));
end;
procedure TCefButtonRef.SetInkDropEnabled(enabled_: boolean);
begin
PCefButton(FData)^.set_ink_drop_enabled(PCefButton(FData), ord(enabled_));
end;
procedure TCefButtonRef.SetTooltipText(const tooltip_text: ustring);
var
TempText : TCefString;
begin
TempText := CefString(tooltip_text);
PCefButton(FData)^.set_tooltip_text(PCefButton(FData), @TempText);
end;
procedure TCefButtonRef.SetAccessibleName(const name: ustring);
var
TempName : TCefString;
begin
TempName := CefString(name);
PCefButton(FData)^.set_accessible_name(PCefButton(FData), @TempName);
end;
class function TCefButtonRef.UnWrap(data: Pointer): ICefButton;
begin
if (data <> nil) then
Result := Create(data) as ICefButton
else
Result := nil;
end;
end.