405 lines
14 KiB
C++
405 lines
14 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/gtk/artgtk.cpp
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// Purpose: stock wxArtProvider instance with native GTK+ stock icons
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// Author: Vaclav Slavik
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// Modified by:
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// Created: 2004-08-22
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// Copyright: (c) Vaclav Slavik, 2004
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ---------------------------------------------------------------------------
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// headers
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// ---------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#if defined(__BORLANDC__)
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#pragma hdrstop
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#endif
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#include "wx/artprov.h"
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#include <gtk/gtk.h>
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#include "wx/gtk/private.h"
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#if !GTK_CHECK_VERSION(2,8,0)
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#define GTK_STOCK_FULLSCREEN "gtk-fullscreen"
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#endif
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// ----------------------------------------------------------------------------
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// wxGTK2ArtProvider
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// ----------------------------------------------------------------------------
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class wxGTK2ArtProvider : public wxArtProvider
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{
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protected:
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virtual wxBitmap CreateBitmap(const wxArtID& id, const wxArtClient& client,
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const wxSize& size) wxOVERRIDE;
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virtual wxIconBundle CreateIconBundle(const wxArtID& id,
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const wxArtClient& client) wxOVERRIDE;
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};
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/*static*/ void wxArtProvider::InitNativeProvider()
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{
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PushBack(new wxGTK2ArtProvider);
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}
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// ----------------------------------------------------------------------------
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// CreateBitmap routine
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// ----------------------------------------------------------------------------
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namespace
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{
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#ifdef __WXGTK3__
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#define ART(wxId, unused, themeId) wxId, themeId,
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#else
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#define ART(wxId, stockId, unused) wxId, stockId,
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#endif
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const char* const wxId2Gtk[] = {
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ART(wxART_ERROR, GTK_STOCK_DIALOG_ERROR, "dialog-error")
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ART(wxART_INFORMATION, GTK_STOCK_DIALOG_INFO, "dialog-information")
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ART(wxART_WARNING, GTK_STOCK_DIALOG_WARNING, "dialog-warning")
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ART(wxART_QUESTION, GTK_STOCK_DIALOG_QUESTION, "dialog-question")
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//ART(wxART_HELP_SIDE_PANEL,)
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ART(wxART_HELP_SETTINGS, GTK_STOCK_SELECT_FONT, "gtk-select-font")
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//ART(wxART_HELP_BOOK, )
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ART(wxART_HELP_FOLDER, GTK_STOCK_DIRECTORY, "folder")
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ART(wxART_HELP_PAGE, GTK_STOCK_FILE, "text-x-generic")
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ART(wxART_MISSING_IMAGE, GTK_STOCK_MISSING_IMAGE, "image-missing")
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ART(wxART_ADD_BOOKMARK, GTK_STOCK_ADD, "list-add")
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ART(wxART_DEL_BOOKMARK, GTK_STOCK_REMOVE, "list-remove")
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ART(wxART_GO_BACK, GTK_STOCK_GO_BACK, "go-previous")
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ART(wxART_GO_FORWARD, GTK_STOCK_GO_FORWARD, "go-next")
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ART(wxART_GO_UP, GTK_STOCK_GO_UP, "go-up")
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ART(wxART_GO_DOWN, GTK_STOCK_GO_DOWN, "go-down")
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ART(wxART_GO_TO_PARENT, GTK_STOCK_GO_UP, "go-up")
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ART(wxART_GO_HOME, GTK_STOCK_HOME, "go-home")
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ART(wxART_GOTO_FIRST, GTK_STOCK_GOTO_FIRST, "go-first")
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ART(wxART_GOTO_LAST, GTK_STOCK_GOTO_LAST, "go-last")
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ART(wxART_FILE_OPEN, GTK_STOCK_OPEN, "document-open")
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ART(wxART_PRINT, GTK_STOCK_PRINT, "document-print")
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ART(wxART_HELP, GTK_STOCK_HELP, "help-contents")
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ART(wxART_TIP, GTK_STOCK_DIALOG_INFO, "dialog-information")
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//ART(wxART_REPORT_VIEW, )
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//ART(wxART_LIST_VIEW, )
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//ART(wxART_NEW_DIR, )
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ART(wxART_FOLDER, GTK_STOCK_DIRECTORY, "folder")
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ART(wxART_FOLDER_OPEN, GTK_STOCK_DIRECTORY, "folder")
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//ART(wxART_GO_DIR_UP, )
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ART(wxART_EXECUTABLE_FILE, GTK_STOCK_EXECUTE, "system-run")
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ART(wxART_NORMAL_FILE, GTK_STOCK_FILE, "text-x-generic")
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ART(wxART_TICK_MARK, GTK_STOCK_APPLY, "gtk-apply")
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ART(wxART_CROSS_MARK, GTK_STOCK_CANCEL, "gtk-cancel")
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ART(wxART_FLOPPY, GTK_STOCK_FLOPPY, "media-floppy")
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ART(wxART_CDROM, GTK_STOCK_CDROM, "media-optical")
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ART(wxART_HARDDISK, GTK_STOCK_HARDDISK, "drive-harddisk")
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ART(wxART_REMOVABLE, GTK_STOCK_HARDDISK, "drive-harddisk")
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ART(wxART_FILE_SAVE, GTK_STOCK_SAVE, "document-save")
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ART(wxART_FILE_SAVE_AS, GTK_STOCK_SAVE_AS, "document-save-as")
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ART(wxART_COPY, GTK_STOCK_COPY, "edit-copy")
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ART(wxART_CUT, GTK_STOCK_CUT, "edit-cut")
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ART(wxART_PASTE, GTK_STOCK_PASTE, "edit-paste")
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ART(wxART_DELETE, GTK_STOCK_DELETE, "edit-delete")
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ART(wxART_NEW, GTK_STOCK_NEW, "document-new")
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ART(wxART_UNDO, GTK_STOCK_UNDO, "edit-undo")
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ART(wxART_REDO, GTK_STOCK_REDO, "edit-redo")
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ART(wxART_PLUS, GTK_STOCK_ADD, "list-add")
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ART(wxART_MINUS, GTK_STOCK_REMOVE, "list-remove")
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ART(wxART_CLOSE, GTK_STOCK_CLOSE, "window-close")
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ART(wxART_QUIT, GTK_STOCK_QUIT, "application-exit")
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ART(wxART_FIND, GTK_STOCK_FIND, "edit-find")
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ART(wxART_FIND_AND_REPLACE, GTK_STOCK_FIND_AND_REPLACE, "edit-find-replace")
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ART(wxART_FULL_SCREEN, GTK_STOCK_FULLSCREEN, "view-fullscreen")
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};
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#undef ART
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wxString wxArtIDToStock(const wxArtID& id)
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{
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// allow passing GTK+ stock IDs to wxArtProvider -- if a recognized wx
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// ID wasn't found, pass it to GTK+ in the hope it is a GTK+ or theme
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// icon name:
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wxString ret(id);
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for (unsigned i = 0; i < WXSIZEOF(wxId2Gtk); i += 2)
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{
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if (id == wxId2Gtk[i])
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{
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ret = wxString::FromAscii(wxId2Gtk[i + 1]);
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break;
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}
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}
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return ret;
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}
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GtkIconSize ArtClientToIconSize(const wxArtClient& client)
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{
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if (client == wxART_TOOLBAR)
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return GTK_ICON_SIZE_LARGE_TOOLBAR;
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else if (client == wxART_MENU || client == wxART_FRAME_ICON)
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return GTK_ICON_SIZE_MENU;
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else if (client == wxART_CMN_DIALOG || client == wxART_MESSAGE_BOX)
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return GTK_ICON_SIZE_DIALOG;
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else if (client == wxART_BUTTON)
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return GTK_ICON_SIZE_BUTTON;
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else
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return GTK_ICON_SIZE_INVALID; // this is arbitrary
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}
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GtkIconSize FindClosestIconSize(const wxSize& size)
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{
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#define NUM_SIZES 6
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static struct
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{
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GtkIconSize icon;
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gint x, y;
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} s_sizes[NUM_SIZES];
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static bool s_sizesInitialized = false;
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if (!s_sizesInitialized)
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{
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s_sizes[0].icon = GTK_ICON_SIZE_MENU;
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s_sizes[1].icon = GTK_ICON_SIZE_SMALL_TOOLBAR;
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s_sizes[2].icon = GTK_ICON_SIZE_LARGE_TOOLBAR;
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s_sizes[3].icon = GTK_ICON_SIZE_BUTTON;
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s_sizes[4].icon = GTK_ICON_SIZE_DND;
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s_sizes[5].icon = GTK_ICON_SIZE_DIALOG;
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for (size_t i = 0; i < NUM_SIZES; i++)
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{
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gtk_icon_size_lookup(s_sizes[i].icon,
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&s_sizes[i].x, &s_sizes[i].y);
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}
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s_sizesInitialized = true;
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}
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GtkIconSize best = GTK_ICON_SIZE_DIALOG; // presumably largest
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unsigned distance = INT_MAX;
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for (size_t i = 0; i < NUM_SIZES; i++)
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{
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// only use larger bitmaps, scaling down looks better than scaling up:
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if (size.x > s_sizes[i].x || size.y > s_sizes[i].y)
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continue;
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unsigned dist = (size.x - s_sizes[i].x) * (size.x - s_sizes[i].x) +
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(size.y - s_sizes[i].y) * (size.y - s_sizes[i].y);
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if (dist == 0)
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return s_sizes[i].icon;
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else if (dist < distance)
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{
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distance = dist;
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best = s_sizes[i].icon;
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}
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}
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return best;
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}
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#ifndef __WXGTK4__
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GdkPixbuf *CreateStockIcon(const char *stockid, GtkIconSize size)
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{
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// FIXME: This code is not 100% correct, because stock pixmap are
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// context-dependent and may be affected by theme engine, the
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// correct value can only be obtained for given GtkWidget object.
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//
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// Fool-proof implementation of stock bitmaps would extend wxBitmap
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// with "stock-id" representation (in addition to pixmap and pixbuf
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// ones) and would convert it to pixbuf when rendered.
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GtkWidget* widget = wxGTKPrivate::GetButtonWidget();
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#ifdef __WXGTK3__
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wxGCC_WARNING_SUPPRESS(deprecated-declarations)
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GtkStyleContext* sc = gtk_widget_get_style_context(widget);
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GtkIconSet* iconset = gtk_style_context_lookup_icon_set(sc, stockid);
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GdkPixbuf* pixbuf = NULL;
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if (iconset)
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pixbuf = gtk_icon_set_render_icon_pixbuf(iconset, sc, size);
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return pixbuf;
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wxGCC_WARNING_RESTORE()
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#else
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GtkStyle* style = gtk_widget_get_style(widget);
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GtkIconSet* iconset = gtk_style_lookup_icon_set(style, stockid);
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if (!iconset)
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return NULL;
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return gtk_icon_set_render_icon(iconset, style,
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gtk_widget_get_default_direction(),
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GTK_STATE_NORMAL, size, NULL, NULL);
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#endif
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}
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#endif // !__WXGTK4__
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GdkPixbuf *CreateThemeIcon(const char *iconname, int size)
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{
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return gtk_icon_theme_load_icon
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(
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gtk_icon_theme_get_default(),
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iconname,
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size,
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(GtkIconLookupFlags)0,
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NULL
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);
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}
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// creates either stock or theme icon
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GdkPixbuf *CreateGtkIcon(const char *icon_name,
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GtkIconSize stock_size, const wxSize& pixel_size)
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{
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#ifndef __WXGTK4__
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// try stock GTK+ icon first
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GdkPixbuf *pixbuf = CreateStockIcon(icon_name, stock_size);
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if ( pixbuf )
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return pixbuf;
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#endif
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// if that fails, try theme icon
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wxSize size(pixel_size);
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if ( pixel_size == wxDefaultSize )
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gtk_icon_size_lookup(stock_size, &size.x, &size.y);
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return CreateThemeIcon(icon_name, size.x);
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}
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template<typename SizeType, typename LoaderFunc>
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wxIconBundle DoCreateIconBundle(const char *stockid,
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const SizeType *sizes_from,
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const SizeType *sizes_to,
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LoaderFunc get_icon)
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{
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wxIconBundle bundle;
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for ( const SizeType *i = sizes_from; i != sizes_to; ++i )
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{
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GdkPixbuf *pixbuf = get_icon(stockid, *i);
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if ( !pixbuf )
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continue;
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wxIcon icon;
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icon.CopyFromBitmap(wxBitmap(pixbuf));
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bundle.AddIcon(icon);
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}
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return bundle;
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}
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} // anonymous namespace
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wxBitmap wxGTK2ArtProvider::CreateBitmap(const wxArtID& id,
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const wxArtClient& client,
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const wxSize& size)
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{
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const wxString stockid = wxArtIDToStock(id);
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GtkIconSize stocksize = (size == wxDefaultSize) ?
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ArtClientToIconSize(client) :
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FindClosestIconSize(size);
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// we must have some size, this is arbitrary
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if (stocksize == GTK_ICON_SIZE_INVALID)
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stocksize = GTK_ICON_SIZE_BUTTON;
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GdkPixbuf *pixbuf = CreateGtkIcon(stockid.utf8_str(), stocksize, size);
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if (pixbuf && size != wxDefaultSize &&
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(size.x != gdk_pixbuf_get_width(pixbuf) ||
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size.y != gdk_pixbuf_get_height(pixbuf)))
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{
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GdkPixbuf *p2 = gdk_pixbuf_scale_simple(pixbuf, size.x, size.y,
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GDK_INTERP_BILINEAR);
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if (p2)
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{
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g_object_unref (pixbuf);
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pixbuf = p2;
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}
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}
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return wxBitmap(pixbuf);
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}
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wxIconBundle
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wxGTK2ArtProvider::CreateIconBundle(const wxArtID& id,
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const wxArtClient& WXUNUSED(client))
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{
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wxIconBundle bundle;
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const wxString stockid = wxArtIDToStock(id);
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#ifndef __WXGTK4__
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wxGCC_WARNING_SUPPRESS(deprecated-declarations)
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// try to load the bundle as stock icon first
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GtkWidget* widget = wxGTKPrivate::GetButtonWidget();
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#ifdef __WXGTK3__
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GtkStyleContext* sc = gtk_widget_get_style_context(widget);
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GtkIconSet* iconset = gtk_style_context_lookup_icon_set(sc, stockid.utf8_str());
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#else
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GtkStyle* style = gtk_widget_get_style(widget);
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GtkIconSet* iconset = gtk_style_lookup_icon_set(style, stockid.utf8_str());
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#endif
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if ( iconset )
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{
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GtkIconSize *sizes;
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gint n_sizes;
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gtk_icon_set_get_sizes(iconset, &sizes, &n_sizes);
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bundle = DoCreateIconBundle
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(
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stockid.utf8_str(),
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sizes, sizes + n_sizes,
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&CreateStockIcon
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);
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g_free(sizes);
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return bundle;
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}
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wxGCC_WARNING_RESTORE()
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#endif // !__WXGTK4__
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// otherwise try icon themes
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gint *sizes = gtk_icon_theme_get_icon_sizes
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(
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gtk_icon_theme_get_default(),
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stockid.utf8_str()
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);
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if ( !sizes )
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return bundle;
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gint *last = sizes;
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while ( *last )
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last++;
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bundle = DoCreateIconBundle
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(
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stockid.utf8_str(),
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sizes, last,
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&CreateThemeIcon
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);
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g_free(sizes);
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return bundle;
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}
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// ----------------------------------------------------------------------------
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// wxArtProvider::GetNativeSizeHint()
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// ----------------------------------------------------------------------------
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/*static*/
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wxSize wxArtProvider::GetNativeSizeHint(const wxArtClient& client)
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{
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// Gtk has specific sizes for each client, see artgtk.cpp
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GtkIconSize gtk_size = ArtClientToIconSize(client);
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// no size hints for this client
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if (gtk_size == GTK_ICON_SIZE_INVALID)
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return wxDefaultSize;
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gint width, height;
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gtk_icon_size_lookup( gtk_size, &width, &height);
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return wxSize(width, height);
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}
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