wxWidgets/include/wx/generic/colrdlgg.h
Vadim Zeitlin e851db7e9e Avoid -Wexpansion-to-defined clang warning in wxOSX
Define wxCLRDLGG_USE_PREVIEW_WITH_ALPHA as either 0 or 1 instead of using an
expression involving "defined" for it as the latter provoked many clang
-Wexpansion-to-defined warnings, which were harmless but very annoying.
2017-07-11 23:16:28 +02:00

137 lines
4.0 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/generic/colrdlgg.h
// Purpose: wxGenericColourDialog
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_COLORDLGG_H_
#define _WX_COLORDLGG_H_
#include "wx/gdicmn.h"
#include "wx/dialog.h"
#if wxUSE_SLIDER
class WXDLLIMPEXP_FWD_CORE wxSlider;
#endif // wxUSE_SLIDER
// Preview with opacity is possible only if wxGCDC and wxStaticBitmap are
// available and currently it only works in wxOSX and wxMSW as it uses wxBitmap
// UseAlpha() and HasAlpha() methods which only these ports provide.
#if ((wxUSE_GRAPHICS_CONTEXT && wxUSE_STATBMP) && \
(defined(__WXMSW__) || defined(__WXOSX__)))
#define wxCLRDLGG_USE_PREVIEW_WITH_ALPHA 1
#else
#define wxCLRDLGG_USE_PREVIEW_WITH_ALPHA 0
#endif
#if wxCLRDLGG_USE_PREVIEW_WITH_ALPHA
class wxStaticBitmap;
#endif // wxCLRDLGG_USE_PREVIEW_WITH_ALPHA
class WXDLLIMPEXP_CORE wxGenericColourDialog : public wxDialog
{
public:
wxGenericColourDialog();
wxGenericColourDialog(wxWindow *parent,
wxColourData *data = NULL);
virtual ~wxGenericColourDialog();
bool Create(wxWindow *parent, wxColourData *data = NULL);
wxColourData &GetColourData() { return m_colourData; }
virtual int ShowModal() wxOVERRIDE;
// Internal functions
void OnMouseEvent(wxMouseEvent& event);
void OnPaint(wxPaintEvent& event);
#if wxCLRDLGG_USE_PREVIEW_WITH_ALPHA
void OnCustomColourMouseClick(wxMouseEvent& event);
#endif // wxCLRDLGG_USE_PREVIEW_WITH_ALPHA
virtual void CalculateMeasurements();
virtual void CreateWidgets();
virtual void InitializeColours();
virtual void PaintBasicColours(wxDC& dc);
#if !wxCLRDLGG_USE_PREVIEW_WITH_ALPHA
virtual void PaintCustomColours(wxDC& dc, int clrIndex = -1);
#endif // !wxCLRDLGG_USE_PREVIEW_WITH_ALPHA
virtual void PaintCustomColour(wxDC& dc);
virtual void PaintHighlight(wxDC& dc, bool draw);
virtual void OnBasicColourClick(int which);
virtual void OnCustomColourClick(int which);
void OnAddCustom(wxCommandEvent& event);
#if wxUSE_SLIDER
void OnRedSlider(wxCommandEvent& event);
void OnGreenSlider(wxCommandEvent& event);
void OnBlueSlider(wxCommandEvent& event);
void OnAlphaSlider(wxCommandEvent& event);
#endif // wxUSE_SLIDER
void OnCloseWindow(wxCloseEvent& event);
#if wxCLRDLGG_USE_PREVIEW_WITH_ALPHA
void DoPreviewBitmap(wxBitmap& bmp, const wxColour& colour);
#endif // wxCLRDLGG_USE_PREVIEW_WITH_ALPHA
protected:
wxColourData m_colourData;
// Area reserved for grids of colours
wxRect m_standardColoursRect;
wxRect m_customColoursRect;
wxRect m_singleCustomColourRect;
// Size of each colour rectangle
wxSize m_smallRectangleSize;
// Grid spacing (between rectangles)
int m_gridSpacing;
// Section spacing (between left and right halves of dialog box)
int m_sectionSpacing;
// 48 'standard' colours
wxColour m_standardColours[48];
// 16 'custom' colours
wxColour m_customColours[16];
// Which colour is selected? An index into one of the two areas.
int m_colourSelection;
int m_whichKind; // 1 for standard colours, 2 for custom colours,
#if wxUSE_SLIDER
wxSlider *m_redSlider;
wxSlider *m_greenSlider;
wxSlider *m_blueSlider;
wxSlider *m_alphaSlider;
#endif // wxUSE_SLIDER
#if wxCLRDLGG_USE_PREVIEW_WITH_ALPHA
// Bitmap to preview selected colour (with alpha channel)
wxStaticBitmap *m_customColourBmp;
// Bitmaps to preview custom colours (with alpha channel)
wxStaticBitmap *m_customColoursBmp[16];
#endif // wxCLRDLGG_USE_PREVIEW_WITH_ALPHA
int m_buttonY;
int m_okButtonX;
int m_customButtonX;
// static bool colourDialogCancelled;
wxDECLARE_EVENT_TABLE();
wxDECLARE_DYNAMIC_CLASS(wxGenericColourDialog);
};
#endif // _WX_COLORDLGG_H_