mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-24 08:02:15 +02:00
394 lines
13 KiB
ObjectPascal
394 lines
13 KiB
ObjectPascal
unit uCEFTextfield;
|
|
|
|
{$IFDEF FPC}
|
|
{$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 Textfield supports editing of text. This control is custom rendered with
|
|
/// no platform-specific code. 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_textfield_capi.h">CEF source file: /include/capi/views/cef_textfield_capi.h (cef_textfield_t)</see></para>
|
|
/// </remarks>
|
|
TCefTextfieldRef = class(TCefViewRef, ICefTextfield)
|
|
protected
|
|
/// <summary>
|
|
/// Sets whether the text will be displayed as asterisks.
|
|
/// </summary>
|
|
procedure SetPasswordInput(password_input: boolean);
|
|
/// <summary>
|
|
/// Returns true (1) if the text will be displayed as asterisks.
|
|
/// </summary>
|
|
function IsPasswordInput : boolean;
|
|
/// <summary>
|
|
/// Sets whether the text will read-only.
|
|
/// </summary>
|
|
procedure SetReadOnly(read_only: boolean);
|
|
/// <summary>
|
|
/// Returns true (1) if the text is read-only.
|
|
/// </summary>
|
|
function IsReadOnly : boolean;
|
|
/// <summary>
|
|
/// Returns the currently displayed text.
|
|
/// </summary>
|
|
function GetText : ustring;
|
|
/// <summary>
|
|
/// Sets the contents to |text|. The cursor will be moved to end of the text
|
|
/// if the current position is outside of the text range.
|
|
/// </summary>
|
|
procedure SetText(const text_: ustring);
|
|
/// <summary>
|
|
/// Appends |text| to the previously-existing text.
|
|
/// </summary>
|
|
procedure AppendText(const text_: ustring);
|
|
/// <summary>
|
|
/// Inserts |text| at the current cursor position replacing any selected text.
|
|
/// </summary>
|
|
procedure InsertOrReplaceText(const text_: ustring);
|
|
/// <summary>
|
|
/// Returns true (1) if there is any selected text.
|
|
/// </summary>
|
|
function HasSelection : boolean;
|
|
/// <summary>
|
|
/// Returns the currently selected text.
|
|
/// </summary>
|
|
function GetSelectedText : ustring;
|
|
/// <summary>
|
|
/// Selects all text. If |reversed| is true (1) the range will end at the
|
|
/// logical beginning of the text; this generally shows the leading portion of
|
|
/// text that overflows its display area.
|
|
/// </summary>
|
|
procedure SelectAll(reversed: boolean);
|
|
/// <summary>
|
|
/// Clears the text selection and sets the caret to the end.
|
|
/// </summary>
|
|
procedure ClearSelection;
|
|
/// <summary>
|
|
/// Returns the selected logical text range.
|
|
/// </summary>
|
|
function GetSelectedRange : TCefRange;
|
|
/// <summary>
|
|
/// Selects the specified logical text range.
|
|
/// </summary>
|
|
procedure SelectRange(const range: TCefRange);
|
|
/// <summary>
|
|
/// Returns the current cursor position.
|
|
/// </summary>
|
|
function GetCursorPosition : NativeUInt;
|
|
/// <summary>
|
|
/// Sets the text color.
|
|
/// </summary>
|
|
procedure SetTextColor(color: TCefColor);
|
|
/// <summary>
|
|
/// Returns the text color.
|
|
/// </summary>
|
|
function GetTextColor : TCefColor;
|
|
/// <summary>
|
|
/// Sets the selection text color.
|
|
/// </summary>
|
|
procedure SetSelectionTextColor(color: TCefColor);
|
|
/// <summary>
|
|
/// Returns the selection text color.
|
|
/// </summary>
|
|
function GetSelectionTextColor : TCefColor;
|
|
/// <summary>
|
|
/// Sets the selection background color.
|
|
/// </summary>
|
|
procedure SetSelectionBackgroundColor(color: TCefColor);
|
|
/// <summary>
|
|
/// Returns the selection background color.
|
|
/// </summary>
|
|
function GetSelectionBackgroundColor : TCefColor;
|
|
/// <summary>
|
|
/// Sets the font list. The format is "<FONT_FAMILY_LIST>,[STYLES] <SIZE>",
|
|
/// where:
|
|
/// - FONT_FAMILY_LIST is a comma-separated list of font family names,
|
|
/// - STYLES is an optional space-separated list of style names (case-sensitive
|
|
/// "Bold" and "Italic" are supported), and
|
|
/// - SIZE is an integer font size in pixels with the suffix "px".
|
|
///
|
|
/// Here are examples of valid font description strings:
|
|
/// - "Arial, Helvetica, Bold Italic 14px"
|
|
/// - "Arial, 14px"
|
|
/// </summary>
|
|
procedure SetFontList(const font_list: ustring);
|
|
/// <summary>
|
|
/// Applies |color| to the specified |range| without changing the default
|
|
/// color. If |range| is NULL the color will be set on the complete text
|
|
/// contents.
|
|
/// </summary>
|
|
procedure ApplyTextColor(color: TCefColor; const range: TCefRange);
|
|
/// <summary>
|
|
/// Applies |style| to the specified |range| without changing the default
|
|
/// style. If |add| is true (1) the style will be added, otherwise the style
|
|
/// will be removed. If |range| is NULL the style will be set on the complete
|
|
/// text contents.
|
|
/// </summary>
|
|
procedure ApplyTextStyle(style: TCefTextStyle; add: boolean; const range: TCefRange);
|
|
/// <summary>
|
|
/// Returns true (1) if the action associated with the specified command id is
|
|
/// enabled. See additional comments on execute_command().
|
|
/// </summary>
|
|
function IsCommandEnabled(command_id: TCefTextFieldCommands): boolean;
|
|
/// <summary>
|
|
/// Performs the action associated with the specified command id.
|
|
/// </summary>
|
|
procedure ExecuteCommand(command_id: TCefTextFieldCommands);
|
|
/// <summary>
|
|
/// Clears Edit history.
|
|
/// </summary>
|
|
procedure ClearEditHistory;
|
|
/// <summary>
|
|
/// Sets the placeholder text that will be displayed when the Textfield is
|
|
/// NULL.
|
|
/// </summary>
|
|
procedure SetPlaceholderText(const text_: ustring);
|
|
/// <summary>
|
|
/// Returns the placeholder text that will be displayed when the Textfield is
|
|
/// NULL.
|
|
/// </summary>
|
|
function GetPlaceholderText : ustring;
|
|
/// <summary>
|
|
/// Sets the placeholder text color.
|
|
/// </summary>
|
|
procedure SetPlaceholderTextColor(color: TCefColor);
|
|
/// <summary>
|
|
/// Set the accessible name that will be exposed to assistive technology (AT).
|
|
/// </summary>
|
|
procedure SetAccessibleName(const name: ustring);
|
|
|
|
public
|
|
/// <summary>
|
|
/// Returns a ICefTextfield instance using a PCefTextfield data pointer.
|
|
/// </summary>
|
|
class function UnWrap(data: Pointer): ICefTextfield;
|
|
/// <summary>
|
|
/// Create a new Textfield.
|
|
/// </summary>
|
|
class function CreateTextField(const delegate: ICefTextfieldDelegate): ICefTextfield;
|
|
end;
|
|
|
|
implementation
|
|
|
|
uses
|
|
uCEFLibFunctions, uCEFMiscFunctions;
|
|
|
|
procedure TCefTextfieldRef.SetPasswordInput(password_input: boolean);
|
|
begin
|
|
PCefTextfield(FData)^.set_password_input(PCefTextfield(FData),
|
|
ord(password_input));
|
|
end;
|
|
|
|
function TCefTextfieldRef.IsPasswordInput : boolean;
|
|
begin
|
|
Result := (PCefTextfield(FData)^.is_password_input(PCefTextfield(FData)) <> 0);
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.SetReadOnly(read_only: boolean);
|
|
begin
|
|
PCefTextfield(FData)^.set_read_only(PCefTextfield(FData),
|
|
ord(read_only));
|
|
end;
|
|
|
|
function TCefTextfieldRef.IsReadOnly : boolean;
|
|
begin
|
|
Result := (PCefTextfield(FData)^.is_read_only(PCefTextfield(FData)) <> 0);
|
|
end;
|
|
|
|
function TCefTextfieldRef.GetText : ustring;
|
|
begin
|
|
Result := CefStringFreeAndGet(PCefTextfield(FData)^.get_text(PCefTextfield(FData)));
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.SetText(const text_: ustring);
|
|
var
|
|
TempText : TCefString;
|
|
begin
|
|
TempText := CefString(text_);
|
|
PCefTextfield(FData)^.set_text(PCefTextfield(FData), @TempText);
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.AppendText(const text_: ustring);
|
|
var
|
|
TempText : TCefString;
|
|
begin
|
|
TempText := CefString(text_);
|
|
PCefTextfield(FData)^.append_text(PCefTextfield(FData), @TempText);
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.InsertOrReplaceText(const text_: ustring);
|
|
var
|
|
TempText : TCefString;
|
|
begin
|
|
TempText := CefString(text_);
|
|
PCefTextfield(FData)^.insert_or_replace_text(PCefTextfield(FData), @TempText);
|
|
end;
|
|
|
|
function TCefTextfieldRef.HasSelection : boolean;
|
|
begin
|
|
Result := (PCefTextfield(FData)^.has_selection(PCefTextfield(FData)) <> 0);
|
|
end;
|
|
|
|
function TCefTextfieldRef.GetSelectedText : ustring;
|
|
begin
|
|
Result := CefStringFreeAndGet(PCefTextfield(FData)^.get_selected_text(PCefTextfield(FData)));
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.SelectAll(reversed: boolean);
|
|
begin
|
|
PCefTextfield(FData)^.select_all(PCefTextfield(FData), ord(reversed));
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.ClearSelection;
|
|
begin
|
|
PCefTextfield(FData)^.clear_selection(PCefTextfield(FData));
|
|
end;
|
|
|
|
function TCefTextfieldRef.GetSelectedRange : TCefRange;
|
|
begin
|
|
Result := PCefTextfield(FData)^.get_selected_range(PCefTextfield(FData));
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.SelectRange(const range: TCefRange);
|
|
begin
|
|
PCefTextfield(FData)^.select_range(PCefTextfield(FData), @range);
|
|
end;
|
|
|
|
function TCefTextfieldRef.GetCursorPosition : NativeUInt;
|
|
begin
|
|
Result := PCefTextfield(FData)^.get_cursor_position(PCefTextfield(FData));
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.SetTextColor(color: TCefColor);
|
|
begin
|
|
PCefTextfield(FData)^.set_text_color(PCefTextfield(FData), color);
|
|
end;
|
|
|
|
function TCefTextfieldRef.GetTextColor : TCefColor;
|
|
begin
|
|
Result := PCefTextfield(FData)^.get_text_color(PCefTextfield(FData));
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.SetSelectionTextColor(color: TCefColor);
|
|
begin
|
|
PCefTextfield(FData)^.set_selection_text_color(PCefTextfield(FData), color);
|
|
end;
|
|
|
|
function TCefTextfieldRef.GetSelectionTextColor : TCefColor;
|
|
begin
|
|
Result := PCefTextfield(FData)^.get_selection_text_color(PCefTextfield(FData));
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.SetSelectionBackgroundColor(color: TCefColor);
|
|
begin
|
|
PCefTextfield(FData)^.set_selection_background_color(PCefTextfield(FData), color);
|
|
end;
|
|
|
|
function TCefTextfieldRef.GetSelectionBackgroundColor : TCefColor;
|
|
begin
|
|
Result := PCefTextfield(FData)^.get_selection_background_color(PCefTextfield(FData));
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.SetFontList(const font_list: ustring);
|
|
var
|
|
TempFontList : TCefString;
|
|
begin
|
|
TempFontList := CefString(font_list);
|
|
PCefTextfield(FData)^.set_font_list(PCefTextfield(FData), @TempFontList);
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.ApplyTextColor(color: TCefColor; const range: TCefRange);
|
|
begin
|
|
PCefTextfield(FData)^.apply_text_color(PCefTextfield(FData), color, @range);
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.ApplyTextStyle(style: TCefTextStyle; add: boolean; const range: TCefRange);
|
|
begin
|
|
PCefTextfield(FData)^.apply_text_style(PCefTextfield(FData), style, ord(add), @range);
|
|
end;
|
|
|
|
function TCefTextfieldRef.IsCommandEnabled(command_id: TCefTextFieldCommands): boolean;
|
|
begin
|
|
Result := (PCefTextfield(FData)^.is_command_enabled(PCefTextfield(FData), command_id) <> 0);
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.ExecuteCommand(command_id: TCefTextFieldCommands);
|
|
begin
|
|
PCefTextfield(FData)^.execute_command(PCefTextfield(FData), command_id);
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.ClearEditHistory;
|
|
begin
|
|
PCefTextfield(FData)^.clear_edit_history(PCefTextfield(FData));
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.SetPlaceholderText(const text_: ustring);
|
|
var
|
|
TempText : TCefString;
|
|
begin
|
|
TempText := CefString(text_);
|
|
PCefTextfield(FData)^.set_placeholder_text(PCefTextfield(FData), @TempText);
|
|
end;
|
|
|
|
function TCefTextfieldRef.GetPlaceholderText : ustring;
|
|
begin
|
|
Result := CefStringFreeAndGet(PCefTextfield(FData)^.get_placeholder_text(PCefTextfield(FData)));
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.SetPlaceholderTextColor(color: TCefColor);
|
|
begin
|
|
PCefTextfield(FData)^.set_placeholder_text_color(PCefTextfield(FData), color);
|
|
end;
|
|
|
|
procedure TCefTextfieldRef.SetAccessibleName(const name: ustring);
|
|
var
|
|
TempName : TCefString;
|
|
begin
|
|
TempName := CefString(name);
|
|
PCefTextfield(FData)^.set_accessible_name(PCefTextfield(FData), @TempName);
|
|
end;
|
|
|
|
class function TCefTextfieldRef.UnWrap(data: Pointer): ICefTextfield;
|
|
begin
|
|
if (data <> nil) then
|
|
Result := Create(data) as ICefTextfield
|
|
else
|
|
Result := nil;
|
|
end;
|
|
|
|
class function TCefTextfieldRef.CreateTextField(const delegate: ICefTextfieldDelegate): ICefTextfield;
|
|
var
|
|
TempTextfield : PCefTextfield;
|
|
begin
|
|
Result := nil;
|
|
|
|
if (delegate <> nil) then
|
|
begin
|
|
TempTextfield := cef_textfield_create(CefGetData(delegate));
|
|
|
|
if (TempTextfield <> nil) then
|
|
Result := Create(TempTextfield) as ICefTextfield;
|
|
end;
|
|
end;
|
|
|
|
end.
|
|
|