nanocoat/lib/scritchui/gtk2/gtk2View.c

   1 /* -*- Mode: C; indent-tabs-mode: t; tab-width: 4 -*-
   2 // ---------------------------------------------------------------------------
   3 // SquirrelJME
   4 //     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
   5 // ---------------------------------------------------------------------------
   6 // SquirrelJME is under the Mozilla Public License Version 2.0.
   7 // See license.mkd for licensing and copyright information.
   8 // -------------------------------------------------------------------------*/
   9
  10 #include <gdk/gdk.h>
  11
  12 #include "lib/scritchui/gtk2/gtk2.h"
  13 #include "lib/scritchui/gtk2/gtk2Intern.h"
  14 #include "lib/scritchui/scritchuiTypes.h"
  15
  16 sjme_errorCode sjme_scritchui_gtk2_viewGetView(
  17         sjme_attrInNotNull sjme_scritchui inState,
  18         sjme_attrInNotNull sjme_scritchui_uiComponent inComponent,
  19         sjme_attrOutNotNull sjme_scritchui_rect* outViewRect)
  20 {
  21         GtkWidget* topWidget;
  22         GtkWidget* binChild;
  23         GtkAdjustment* hAdjust;
  24         GtkAdjustment* vAdjust;
  25         GtkAllocation alloc;
  26
  27         if (inState == NULL || inComponent == NULL || outViewRect == NULL)
  28                 return SJME_ERROR_NULL_ARGUMENTS;
  29
  30         /* Get wrapped widget. */
  31         topWidget = inComponent->common.handle[SJME_SUI_GTK2_H_WIDGET];
  32
  33         /* Depends on the type. */
  34         switch (inComponent->common.type)
  35         {
  36                 case SJME_SCRITCHUI_TYPE_SCROLL_PANEL:
  37                         /* Get the allocation of the window. */
  38                         memset(&alloc, 0, sizeof(alloc));
  39                         binChild = gtk_bin_get_child(GTK_BIN(topWidget));
  40                         gtk_widget_get_allocation(binChild, &alloc);
  41
  42                         /* Get adjustment. */
  43                         hAdjust = gtk_scrolled_window_get_hadjustment(
  44                                 GTK_SCROLLED_WINDOW(topWidget));
  45                         vAdjust = gtk_scrolled_window_get_vadjustment(
  46                                 GTK_SCROLLED_WINDOW(topWidget));
  47
  48                         if (hAdjust != NULL)
  49                         {
  50                                 outViewRect->s.x = gtk_adjustment_get_value(
  51                                         hAdjust);
  52
  53                                 outViewRect->d.width = gtk_adjustment_get_page_size(
  54                                         hAdjust);
  55                                 if (alloc.width > outViewRect->d.width)
  56                                         outViewRect->d.width = alloc.width;
  57                         }
  58
  59                         if (vAdjust != NULL)
  60                         {
  61                                 outViewRect->s.y = gtk_adjustment_get_value(
  62                                         vAdjust);
  63
  64                                 /* Get the higher of the two widths/heights. */
  65                                 outViewRect->d.height = gtk_adjustment_get_page_size(
  66                                         vAdjust);
  67                                 if (alloc.height > outViewRect->d.height)
  68                                         outViewRect->d.height = alloc.height;
  69                         }
  70                         break;
  71
  72                 default:
  73                         return sjme_error_notImplemented(0);
  74         }
  75
  76         /* Success? */
  77         return inState->implIntern->checkError(inState, SJME_ERROR_NONE);
  78 }
  79
  80 sjme_errorCode sjme_scritchui_gtk2_viewSetArea(
  81         sjme_attrInNotNull sjme_scritchui inState,
  82         sjme_attrInNotNull sjme_scritchui_uiComponent inComponent,
  83         sjme_attrInNotNull const sjme_scritchui_dim* inViewArea,
  84         sjme_attrInNotNull const sjme_scritchui_dim* inViewPage)
  85 {
  86         GtkWidget* topWidget;
  87         GtkAdjustment* hAdjust;
  88         GtkAdjustment* vAdjust;
  89
  90         if (inState == NULL || inComponent == NULL || inViewArea == NULL)
  91                 return SJME_ERROR_NULL_ARGUMENTS;
  92
  93         /* Get wrapped widget. */
  94         topWidget = inComponent->common.handle[SJME_SUI_GTK2_H_WIDGET];
  95
  96         /* Depends on the type. */
  97         switch (inComponent->common.type)
  98         {
  99                 case SJME_SCRITCHUI_TYPE_SCROLL_PANEL:
 100                         /* Change adjustment. */
 101                         hAdjust = gtk_scrolled_window_get_hadjustment(
 102                                 GTK_SCROLLED_WINDOW(topWidget));
 103                         vAdjust = gtk_scrolled_window_get_vadjustment(
 104                                 GTK_SCROLLED_WINDOW(topWidget));
 105
 106                         gtk_adjustment_set_upper(hAdjust,
 107                                 inViewArea->width);
 108                         gtk_adjustment_set_upper(vAdjust,
 109                                 inViewArea->height);
 110                         break;
 111
 112                 default:
 113                         return sjme_error_notImplemented(0);
 114         }
 115
 116         /* Success? */
 117         return inState->implIntern->checkError(inState, SJME_ERROR_NONE);
 118 }
 119
 120 sjme_errorCode sjme_scritchui_gtk2_viewSetView(
 121         sjme_attrInNotNull sjme_scritchui inState,
 122         sjme_attrInNotNull sjme_scritchui_uiComponent inComponent,
 123         sjme_attrInNotNull const sjme_scritchui_point* inViewPos)
 124 {
 125         sjme_todo("Impl?");
 126         return sjme_error_notImplemented(0);
 127 }
 128
 129 sjme_errorCode sjme_scritchui_gtk2_viewSetViewListener(
 130         sjme_attrInNotNull sjme_scritchui inState,
 131         sjme_attrInNotNull sjme_scritchui_uiComponent inComponent,
 132         SJME_SCRITCHUI_SET_LISTENER_ARGS(view))
 133 {
 134         sjme_todo("Impl?");
 135         return sjme_error_notImplemented(0);
 136 }