1 /* 2 * This file is part of gtkD. 3 * 4 * gtkD is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License 6 * as published by the Free Software Foundation; either version 3 7 * of the License, or (at your option) any later version, with 8 * some exceptions, please read the COPYING file. 9 * 10 * gtkD is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public License 16 * along with gtkD; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA 18 */ 19 20 // generated automatically - do not change 21 // find conversion definition on APILookup.txt 22 // implement new conversion functionalities on the wrap.utils pakage 23 24 25 module gtk.PrintOperationPreviewT; 26 27 public import gobject.Signals; 28 public import gtk.PageSetup; 29 public import gtk.PrintContext; 30 public import gtk.c.functions; 31 public import gtk.c.types; 32 public import gtkc.gtktypes; 33 public import std.algorithm; 34 35 36 /** */ 37 public template PrintOperationPreviewT(TStruct) 38 { 39 /** Get the main Gtk struct */ 40 public GtkPrintOperationPreview* getPrintOperationPreviewStruct(bool transferOwnership = false) 41 { 42 if (transferOwnership) 43 ownedRef = false; 44 return cast(GtkPrintOperationPreview*)getStruct(); 45 } 46 47 48 /** 49 * Ends a preview. 50 * 51 * This function must be called to finish a custom print preview. 52 * 53 * Since: 2.10 54 */ 55 public void endPreview() 56 { 57 gtk_print_operation_preview_end_preview(getPrintOperationPreviewStruct()); 58 } 59 60 /** 61 * Returns whether the given page is included in the set of pages that 62 * have been selected for printing. 63 * 64 * Params: 65 * pageNr = a page number 66 * 67 * Returns: %TRUE if the page has been selected for printing 68 * 69 * Since: 2.10 70 */ 71 public bool isSelected(int pageNr) 72 { 73 return gtk_print_operation_preview_is_selected(getPrintOperationPreviewStruct(), pageNr) != 0; 74 } 75 76 /** 77 * Renders a page to the preview, using the print context that 78 * was passed to the #GtkPrintOperation::preview handler together 79 * with @preview. 80 * 81 * A custom iprint preview should use this function in its ::expose 82 * handler to render the currently selected page. 83 * 84 * Note that this function requires a suitable cairo context to 85 * be associated with the print context. 86 * 87 * Params: 88 * pageNr = the page to render 89 * 90 * Since: 2.10 91 */ 92 public void renderPage(int pageNr) 93 { 94 gtk_print_operation_preview_render_page(getPrintOperationPreviewStruct(), pageNr); 95 } 96 97 protected class OnGotPageSizeDelegateWrapper 98 { 99 void delegate(PrintContext, PageSetup, PrintOperationPreviewIF) dlg; 100 gulong handlerId; 101 102 this(void delegate(PrintContext, PageSetup, PrintOperationPreviewIF) dlg) 103 { 104 this.dlg = dlg; 105 onGotPageSizeListeners ~= this; 106 } 107 108 void remove(OnGotPageSizeDelegateWrapper source) 109 { 110 foreach(index, wrapper; onGotPageSizeListeners) 111 { 112 if (wrapper.handlerId == source.handlerId) 113 { 114 onGotPageSizeListeners[index] = null; 115 onGotPageSizeListeners = std.algorithm.remove(onGotPageSizeListeners, index); 116 break; 117 } 118 } 119 } 120 } 121 OnGotPageSizeDelegateWrapper[] onGotPageSizeListeners; 122 123 /** 124 * The ::got-page-size signal is emitted once for each page 125 * that gets rendered to the preview. 126 * 127 * A handler for this signal should update the @context 128 * according to @page_setup and set up a suitable cairo 129 * context, using gtk_print_context_set_cairo_context(). 130 * 131 * Params: 132 * context = the current #GtkPrintContext 133 * pageSetup = the #GtkPageSetup for the current page 134 */ 135 gulong addOnGotPageSize(void delegate(PrintContext, PageSetup, PrintOperationPreviewIF) dlg, ConnectFlags connectFlags=cast(ConnectFlags)0) 136 { 137 auto wrapper = new OnGotPageSizeDelegateWrapper(dlg); 138 wrapper.handlerId = Signals.connectData( 139 this, 140 "got-page-size", 141 cast(GCallback)&callBackGotPageSize, 142 cast(void*)wrapper, 143 cast(GClosureNotify)&callBackGotPageSizeDestroy, 144 connectFlags); 145 return wrapper.handlerId; 146 } 147 148 extern(C) static void callBackGotPageSize(GtkPrintOperationPreview* printoperationpreviewStruct, GtkPrintContext* context, GtkPageSetup* pageSetup, OnGotPageSizeDelegateWrapper wrapper) 149 { 150 wrapper.dlg(ObjectG.getDObject!(PrintContext)(context), ObjectG.getDObject!(PageSetup)(pageSetup), wrapper.outer); 151 } 152 153 extern(C) static void callBackGotPageSizeDestroy(OnGotPageSizeDelegateWrapper wrapper, GClosure* closure) 154 { 155 wrapper.remove(wrapper); 156 } 157 158 protected class OnReadyDelegateWrapper 159 { 160 void delegate(PrintContext, PrintOperationPreviewIF) dlg; 161 gulong handlerId; 162 163 this(void delegate(PrintContext, PrintOperationPreviewIF) dlg) 164 { 165 this.dlg = dlg; 166 onReadyListeners ~= this; 167 } 168 169 void remove(OnReadyDelegateWrapper source) 170 { 171 foreach(index, wrapper; onReadyListeners) 172 { 173 if (wrapper.handlerId == source.handlerId) 174 { 175 onReadyListeners[index] = null; 176 onReadyListeners = std.algorithm.remove(onReadyListeners, index); 177 break; 178 } 179 } 180 } 181 } 182 OnReadyDelegateWrapper[] onReadyListeners; 183 184 /** 185 * The ::ready signal gets emitted once per preview operation, 186 * before the first page is rendered. 187 * 188 * A handler for this signal can be used for setup tasks. 189 * 190 * Params: 191 * context = the current #GtkPrintContext 192 */ 193 gulong addOnReady(void delegate(PrintContext, PrintOperationPreviewIF) dlg, ConnectFlags connectFlags=cast(ConnectFlags)0) 194 { 195 auto wrapper = new OnReadyDelegateWrapper(dlg); 196 wrapper.handlerId = Signals.connectData( 197 this, 198 "ready", 199 cast(GCallback)&callBackReady, 200 cast(void*)wrapper, 201 cast(GClosureNotify)&callBackReadyDestroy, 202 connectFlags); 203 return wrapper.handlerId; 204 } 205 206 extern(C) static void callBackReady(GtkPrintOperationPreview* printoperationpreviewStruct, GtkPrintContext* context, OnReadyDelegateWrapper wrapper) 207 { 208 wrapper.dlg(ObjectG.getDObject!(PrintContext)(context), wrapper.outer); 209 } 210 211 extern(C) static void callBackReadyDestroy(OnReadyDelegateWrapper wrapper, GClosure* closure) 212 { 213 wrapper.remove(wrapper); 214 } 215 }