wxWidgets/include/wx/artprov.h
Vadim Zeitlin 108108e54e Add wxArtProvider::Get[Native]DIPSizeHint()
Also add "wxWindow* win = NULL" argument to the existing functions to
convert from DIPs using the given window instead of the default DPI
scaling factor.

Closes #22022.
2022-03-24 21:35:26 +01:00

297 lines
13 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/artprov.h
// Purpose: wxArtProvider class
// Author: Vaclav Slavik
// Modified by:
// Created: 18/03/2002
// Copyright: (c) Vaclav Slavik
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_ARTPROV_H_
#define _WX_ARTPROV_H_
#include "wx/string.h"
#include "wx/bitmap.h"
#include "wx/icon.h"
#include "wx/iconbndl.h"
#include "wx/bmpbndl.h"
class WXDLLIMPEXP_FWD_CORE wxArtProvidersList;
class WXDLLIMPEXP_FWD_CORE wxArtProviderCache;
class WXDLLIMPEXP_FWD_CORE wxWindow;
class wxArtProviderModule;
// ----------------------------------------------------------------------------
// Types
// ----------------------------------------------------------------------------
typedef wxString wxArtClient;
typedef wxString wxArtID;
#define wxART_MAKE_CLIENT_ID_FROM_STR(id) ((id) + wxASCII_STR("_C"))
#define wxART_MAKE_CLIENT_ID(id) (#id "_C")
#define wxART_MAKE_ART_ID_FROM_STR(id) (id)
#define wxART_MAKE_ART_ID(id) (#id)
// ----------------------------------------------------------------------------
// Art clients
// ----------------------------------------------------------------------------
#define wxART_TOOLBAR wxART_MAKE_CLIENT_ID(wxART_TOOLBAR)
#define wxART_MENU wxART_MAKE_CLIENT_ID(wxART_MENU)
#define wxART_FRAME_ICON wxART_MAKE_CLIENT_ID(wxART_FRAME_ICON)
#define wxART_CMN_DIALOG wxART_MAKE_CLIENT_ID(wxART_CMN_DIALOG)
#define wxART_HELP_BROWSER wxART_MAKE_CLIENT_ID(wxART_HELP_BROWSER)
#define wxART_MESSAGE_BOX wxART_MAKE_CLIENT_ID(wxART_MESSAGE_BOX)
#define wxART_BUTTON wxART_MAKE_CLIENT_ID(wxART_BUTTON)
#define wxART_LIST wxART_MAKE_CLIENT_ID(wxART_LIST)
#define wxART_OTHER wxART_MAKE_CLIENT_ID(wxART_OTHER)
// ----------------------------------------------------------------------------
// Art IDs
// ----------------------------------------------------------------------------
#define wxART_ADD_BOOKMARK wxART_MAKE_ART_ID(wxART_ADD_BOOKMARK)
#define wxART_DEL_BOOKMARK wxART_MAKE_ART_ID(wxART_DEL_BOOKMARK)
#define wxART_HELP_SIDE_PANEL wxART_MAKE_ART_ID(wxART_HELP_SIDE_PANEL)
#define wxART_HELP_SETTINGS wxART_MAKE_ART_ID(wxART_HELP_SETTINGS)
#define wxART_HELP_BOOK wxART_MAKE_ART_ID(wxART_HELP_BOOK)
#define wxART_HELP_FOLDER wxART_MAKE_ART_ID(wxART_HELP_FOLDER)
#define wxART_HELP_PAGE wxART_MAKE_ART_ID(wxART_HELP_PAGE)
#define wxART_GO_BACK wxART_MAKE_ART_ID(wxART_GO_BACK)
#define wxART_GO_FORWARD wxART_MAKE_ART_ID(wxART_GO_FORWARD)
#define wxART_GO_UP wxART_MAKE_ART_ID(wxART_GO_UP)
#define wxART_GO_DOWN wxART_MAKE_ART_ID(wxART_GO_DOWN)
#define wxART_GO_TO_PARENT wxART_MAKE_ART_ID(wxART_GO_TO_PARENT)
#define wxART_GO_HOME wxART_MAKE_ART_ID(wxART_GO_HOME)
#define wxART_GOTO_FIRST wxART_MAKE_ART_ID(wxART_GOTO_FIRST)
#define wxART_GOTO_LAST wxART_MAKE_ART_ID(wxART_GOTO_LAST)
#define wxART_FILE_OPEN wxART_MAKE_ART_ID(wxART_FILE_OPEN)
#define wxART_FILE_SAVE wxART_MAKE_ART_ID(wxART_FILE_SAVE)
#define wxART_FILE_SAVE_AS wxART_MAKE_ART_ID(wxART_FILE_SAVE_AS)
#define wxART_PRINT wxART_MAKE_ART_ID(wxART_PRINT)
#define wxART_HELP wxART_MAKE_ART_ID(wxART_HELP)
#define wxART_TIP wxART_MAKE_ART_ID(wxART_TIP)
#define wxART_REPORT_VIEW wxART_MAKE_ART_ID(wxART_REPORT_VIEW)
#define wxART_LIST_VIEW wxART_MAKE_ART_ID(wxART_LIST_VIEW)
#define wxART_NEW_DIR wxART_MAKE_ART_ID(wxART_NEW_DIR)
#define wxART_HARDDISK wxART_MAKE_ART_ID(wxART_HARDDISK)
#define wxART_FLOPPY wxART_MAKE_ART_ID(wxART_FLOPPY)
#define wxART_CDROM wxART_MAKE_ART_ID(wxART_CDROM)
#define wxART_REMOVABLE wxART_MAKE_ART_ID(wxART_REMOVABLE)
#define wxART_FOLDER wxART_MAKE_ART_ID(wxART_FOLDER)
#define wxART_FOLDER_OPEN wxART_MAKE_ART_ID(wxART_FOLDER_OPEN)
#define wxART_GO_DIR_UP wxART_MAKE_ART_ID(wxART_GO_DIR_UP)
#define wxART_EXECUTABLE_FILE wxART_MAKE_ART_ID(wxART_EXECUTABLE_FILE)
#define wxART_NORMAL_FILE wxART_MAKE_ART_ID(wxART_NORMAL_FILE)
#define wxART_TICK_MARK wxART_MAKE_ART_ID(wxART_TICK_MARK)
#define wxART_CROSS_MARK wxART_MAKE_ART_ID(wxART_CROSS_MARK)
#define wxART_ERROR wxART_MAKE_ART_ID(wxART_ERROR)
#define wxART_QUESTION wxART_MAKE_ART_ID(wxART_QUESTION)
#define wxART_WARNING wxART_MAKE_ART_ID(wxART_WARNING)
#define wxART_INFORMATION wxART_MAKE_ART_ID(wxART_INFORMATION)
#define wxART_MISSING_IMAGE wxART_MAKE_ART_ID(wxART_MISSING_IMAGE)
#define wxART_COPY wxART_MAKE_ART_ID(wxART_COPY)
#define wxART_CUT wxART_MAKE_ART_ID(wxART_CUT)
#define wxART_PASTE wxART_MAKE_ART_ID(wxART_PASTE)
#define wxART_DELETE wxART_MAKE_ART_ID(wxART_DELETE)
#define wxART_NEW wxART_MAKE_ART_ID(wxART_NEW)
#define wxART_UNDO wxART_MAKE_ART_ID(wxART_UNDO)
#define wxART_REDO wxART_MAKE_ART_ID(wxART_REDO)
#define wxART_PLUS wxART_MAKE_ART_ID(wxART_PLUS)
#define wxART_MINUS wxART_MAKE_ART_ID(wxART_MINUS)
#define wxART_CLOSE wxART_MAKE_ART_ID(wxART_CLOSE)
#define wxART_QUIT wxART_MAKE_ART_ID(wxART_QUIT)
#define wxART_FIND wxART_MAKE_ART_ID(wxART_FIND)
#define wxART_FIND_AND_REPLACE wxART_MAKE_ART_ID(wxART_FIND_AND_REPLACE)
#define wxART_FULL_SCREEN wxART_MAKE_ART_ID(wxART_FULL_SCREEN)
#define wxART_EDIT wxART_MAKE_ART_ID(wxART_EDIT)
#define wxART_WX_LOGO wxART_MAKE_ART_ID(wxART_WX_LOGO)
#define wxART_REFRESH wxART_MAKE_ART_ID(wxART_REFRESH)
#define wxART_STOP wxART_MAKE_ART_ID(wxART_STOP)
// ----------------------------------------------------------------------------
// wxArtProvider class
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxArtProvider : public wxObject
{
public:
// Dtor removes the provider from providers stack if it's still on it
virtual ~wxArtProvider();
// Does this platform implement native icons theme?
static bool HasNativeProvider();
// Add new provider to the top of providers stack (i.e. the provider will
// be queried first of all).
static void Push(wxArtProvider *provider);
// Add new provider to the bottom of providers stack (i.e. the provider
// will be queried as the last one).
static void PushBack(wxArtProvider *provider);
#if WXWIN_COMPATIBILITY_2_8
// use PushBack(), it's the same thing
wxDEPRECATED( static void Insert(wxArtProvider *provider) );
#endif
// Remove latest added provider and delete it.
static bool Pop();
// Remove provider from providers stack but don't delete it.
static bool Remove(wxArtProvider *provider);
// Delete the given provider and remove it from the providers stack.
static bool Delete(wxArtProvider *provider);
// Query the providers for bitmap with given ID and return it. Return
// wxNullBitmap if no provider provides it.
static wxBitmap GetBitmap(const wxArtID& id,
const wxArtClient& client = wxASCII_STR(wxART_OTHER),
const wxSize& size = wxDefaultSize);
// Query the providers for bitmapbundle with given ID and return it.
// If none is available, then the search for a bitmap with the same properties
// is performed. If successful, the bitmap is wrapped into a bitmap bundle.
static wxBitmapBundle
GetBitmapBundle(const wxArtID& id,
const wxArtClient& client = wxASCII_STR(wxART_OTHER),
const wxSize& size = wxDefaultSize);
// Query the providers for icon with given ID and return it. Return
// wxNullIcon if no provider provides it.
static wxIcon GetIcon(const wxArtID& id,
const wxArtClient& client = wxASCII_STR(wxART_OTHER),
const wxSize& size = wxDefaultSize);
// Helper used by GetMessageBoxIcon(): return the art id corresponding to
// the standard wxICON_INFORMATION/WARNING/ERROR/QUESTION flags (only one
// can be set)
static wxArtID GetMessageBoxIconId(int flags);
// Helper used by several generic classes: return the icon corresponding to
// the standard wxICON_INFORMATION/WARNING/ERROR/QUESTION flags (only one
// can be set)
static wxIcon GetMessageBoxIcon(int flags)
{
return GetIcon(GetMessageBoxIconId(flags), wxASCII_STR(wxART_MESSAGE_BOX));
}
// Query the providers for iconbundle with given ID and return it. Return
// wxNullIconBundle if no provider provides it.
static wxIconBundle GetIconBundle(const wxArtID& id,
const wxArtClient& client = wxASCII_STR(wxART_OTHER));
// Gets native size for given 'client' or wxDefaultSize if it doesn't
// have native equivalent. The first version returns the size in logical
// pixels while the second one returns it in DIPs.
static wxSize GetNativeSizeHint(const wxArtClient& client, wxWindow* win = NULL);
static wxSize GetNativeDIPSizeHint(const wxArtClient& client);
// Get the size hint of an icon from a specific wxArtClient from the
// topmost (i.e. first used) provider.
static wxSize GetSizeHint(const wxArtClient& client, wxWindow* win = NULL);
static wxSize GetDIPSizeHint(const wxArtClient& client);
#if WXWIN_COMPATIBILITY_3_0
wxDEPRECATED_MSG("use GetSizeHint() without bool argument or GetNativeSizeHint()")
static wxSize GetSizeHint(const wxArtClient& client, bool platform_dependent);
wxDEPRECATED_MSG("use wxBitmap::Rescale() instead.")
static void RescaleBitmap(wxBitmap& bmp, const wxSize& sizeNeeded);
#endif // WXWIN_COMPATIBILITY_3_0
protected:
friend class wxArtProviderModule;
#if wxUSE_ARTPROVIDER_STD
// Initializes default provider
static void InitStdProvider();
#endif // wxUSE_ARTPROVIDER_STD
// Initializes Tango-based icon provider
#if wxUSE_ARTPROVIDER_TANGO
static void InitTangoProvider();
#endif // wxUSE_ARTPROVIDER_TANGO
// Initializes platform's native provider, if available (e.g. GTK2)
static void InitNativeProvider();
// Destroy caches & all providers
static void CleanUpProviders();
// Get the default size of an icon for a specific client.
//
// Although this function doesn't have "DIP" in its name, it should return
// the size in DIPs.
virtual wxSize DoGetSizeHint(const wxArtClient& client);
// Derived classes must override at least one of the CreateXXX() functions
// below to create requested art resource. Overriding more than one of them
// is also possible but is usually not needed, as both GetBitmap() and
// GetBitmapBundle() will try using both CreateBitmap() and
// CreateBitmapBundle().
//
// Note that these methods are called only once per instance's lifetime for
// each requested wxArtID as the return value is cached.
virtual wxBitmap CreateBitmap(const wxArtID& WXUNUSED(id),
const wxArtClient& WXUNUSED(client),
const wxSize& WXUNUSED(size))
{
return wxNullBitmap;
}
virtual wxBitmapBundle CreateBitmapBundle(const wxArtID& WXUNUSED(id),
const wxArtClient& WXUNUSED(client),
const wxSize& WXUNUSED(size))
{
return wxBitmapBundle();
}
virtual wxIconBundle CreateIconBundle(const wxArtID& WXUNUSED(id),
const wxArtClient& WXUNUSED(client))
{
return wxNullIconBundle;
}
// Helper for resizing the bitmaps to the requested size without scaling
// them up nor resizing (16, 15) bitmaps to (16, 16) -- or doing anything
// at all if the bitmap is already of the required size.
static void RescaleOrResizeIfNeeded(wxBitmap& bmp, const wxSize& sizeNeeded);
private:
static void CommonAddingProvider();
static wxIconBundle DoGetIconBundle(const wxArtID& id,
const wxArtClient& client);
private:
// list of providers:
static wxArtProvidersList *sm_providers;
// art resources cache (so that CreateXXX is not called that often):
static wxArtProviderCache *sm_cache;
wxDECLARE_ABSTRACT_CLASS(wxArtProvider);
};
#if !defined(__WXUNIVERSAL__) && \
((defined(__WXGTK__) && defined(__WXGTK20__)) || defined(__WXMSW__) || \
defined(__WXMAC__))
// *some* (partial) native implementation of wxArtProvider exists; this is
// not the same as wxArtProvider::HasNativeProvider()!
#define wxHAS_NATIVE_ART_PROVIDER_IMPL
#endif
#endif // _WX_ARTPROV_H_