widgets.c

linux下电话本所依赖的一些图形库

#include <gdk/gdkkeysyms.h>
#include <X11/Xatom.h>
#include <gdkx.h>
#include "widgets.h"


#define SMALL_WIDTH  240
#define SMALL_HEIGHT 75
#define MEDIUM_WIDTH 240
#define MEDIUM_HEIGHT 165
#define LARGE_WIDTH 240
#define LARGE_HEIGHT 240

static Window
find_toplevel_window (Window xid)
{
  Window root, parent, *children;
  int nchildren;

  do
    {
      if (XQueryTree (GDK_DISPLAY (), xid, &root,
		      &parent, &children, &nchildren) == 0)
	{
	  g_warning ("Couldn't find window manager window");
	  return None;
	}

      if (root == parent)
	return xid;

      xid = parent;
    }
  while (TRUE);
}


static gboolean
adjust_size_callback (WidgetInfo *info)
{
  Window toplevel;
  Window root;
  gint tx;
  gint ty;
  guint twidth;
  guint theight;
  guint tborder_width;
  guint tdepth;
  gint target_width = 0;
  gint target_height = 0;

  toplevel = find_toplevel_window (GDK_WINDOW_XID (info->window->window));
  XGetGeometry (GDK_WINDOW_XDISPLAY (info->window->window),
		toplevel,
		&root, &tx, &ty, &twidth, &theight, &tborder_width, &tdepth);

  switch (info->size)
    {
    case SMALL:
      target_width = SMALL_WIDTH;
      target_height = SMALL_HEIGHT;
      break;
    case MEDIUM:
      target_width = MEDIUM_WIDTH;
      target_height = MEDIUM_HEIGHT;
      break;
    case LARGE:
      target_width = LARGE_WIDTH;
      target_height = LARGE_HEIGHT;
      break;
    case ASIS:
      target_width = twidth;
      target_height = theight;
      break;
    }

  if (twidth > target_width ||
      theight > target_height)
    {
      gtk_widget_set_size_request (info->window,
				   2 + target_width - (twidth - target_width), /* Dunno why I need the +2 fudge factor; */
				   2 + target_height - (theight - target_height));
    }
  return FALSE;
}

static void
realize_callback (GtkWidget  *widget,
		  WidgetInfo *info)
{
  g_timeout_add (500, (GSourceFunc)adjust_size_callback, info);
}

static WidgetInfo *
new_widget_info (const char *name,
		 GtkWidget  *widget,
		 WidgetSize  size)
{
  WidgetInfo *info;

  info = g_new0 (WidgetInfo, 1);
  info->name = g_strdup (name);
  info->size = size;
  if (GTK_IS_WINDOW (widget))
    {
      info->window = widget;
      gtk_window_set_resizable (GTK_WINDOW (info->window), FALSE);
      info->include_decorations = TRUE;
      g_signal_connect (info->window, "realize", G_CALLBACK (realize_callback), info);
    }
  else
    {
      info->window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      info->include_decorations = FALSE;
      gtk_widget_show_all (widget);
      gtk_container_add (GTK_CONTAINER (info->window), widget);
    }
  info->no_focus = TRUE;

  gtk_widget_set_app_paintable (info->window, TRUE);
  g_signal_connect (info->window, "focus", G_CALLBACK (gtk_true), NULL);
  gtk_container_set_border_width (GTK_CONTAINER (info->window), 12);

  switch (size)
    {
    case SMALL:
      gtk_widget_set_size_request (info->window,
				   240, 75);
      break;
    case MEDIUM:
      gtk_widget_set_size_request (info->window,
				   240, 165);
      break;
    case LARGE:
      gtk_widget_set_size_request (info->window,
				   240, 240);
      break;
    default:
	break;
    }

  return info;
}

static WidgetInfo *
create_button (void)
{
  GtkWidget *widget;
  GtkWidget *align;

  widget = gtk_button_new_with_mnemonic ("_Button");
  align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
  gtk_container_add (GTK_CONTAINER (align), widget);

  return new_widget_info ("button", align, SMALL);
}

static WidgetInfo *
create_toggle_button (void)
{
  GtkWidget *widget;
  GtkWidget *align;

  widget = gtk_toggle_button_new_with_mnemonic ("_Toggle Button");
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), FALSE);
  align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
  gtk_container_add (GTK_CONTAINER (align), widget);

  return new_widget_info ("toggle-button", align, SMALL);
}

static WidgetInfo *
create_check_button (void)
{
  GtkWidget *widget;
  GtkWidget *align;

  widget = gtk_check_button_new_with_mnemonic ("_Check Button");
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), TRUE);
  align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
  gtk_container_add (GTK_CONTAINER (align), widget);

  return new_widget_info ("check-button", align, SMALL);
}

static WidgetInfo *
create_entry (void)
{
  GtkWidget *widget;
  GtkWidget *align;

  widget = gtk_entry_new ();
  gtk_entry_set_text (GTK_ENTRY (widget), "Entry");
  gtk_editable_set_position (GTK_EDITABLE (widget), -1);
  align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
  gtk_container_add (GTK_CONTAINER (align), widget);

  return  new_widget_info ("entry", align, SMALL);
}

static WidgetInfo *
create_radio (void)
{
  GtkWidget *widget;
  GtkWidget *radio;
  GtkWidget *align;

  widget = gtk_vbox_new (FALSE, 3);
  radio = gtk_radio_button_new_with_mnemonic (NULL, "Radio Button _One");
  gtk_box_pack_start (GTK_BOX (widget), radio, FALSE, FALSE, 0);
  radio = gtk_radio_button_new_with_mnemonic_from_widget (GTK_RADIO_BUTTON (radio), "Radio Button _Two");
  gtk_box_pack_start (GTK_BOX (widget), radio, FALSE, FALSE, 0);
  radio = gtk_radio_button_new_with_mnemonic_from_widget (GTK_RADIO_BUTTON (radio), "Radio Button T_hree");
  gtk_box_pack_start (GTK_BOX (widget), radio, FALSE, FALSE, 0);
  align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
  gtk_container_add (GTK_CONTAINER (align), widget);

  return new_widget_info ("radio-group", align, MEDIUM);
}

static WidgetInfo *
create_label (void)
{
  GtkWidget *widget;
  GtkWidget *align;

  widget = gtk_label_new ("Label");
  align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
  gtk_container_add (GTK_CONTAINER (align), widget);

  return new_widget_info ("label", align, SMALL);
}

static WidgetInfo *
create_accel_label (void)
{
  WidgetInfo *info;
  GtkWidget *widget, *button, *box;
  GtkAccelGroup *accel_group;

  widget = gtk_accel_label_new ("Accel Label");

  button = gtk_button_new_with_label ("Quit");
  gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (widget), button);
  gtk_widget_set_no_show_all (button, TRUE);

  box = gtk_vbox_new (FALSE, 0);
  gtk_container_add (GTK_CONTAINER (box), widget);
  gtk_container_add (GTK_CONTAINER (box), button);

  gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (widget), button);
  accel_group = gtk_accel_group_new();

  info = new_widget_info ("accel-label", box, SMALL);

  gtk_widget_add_accelerator (button, "activate", accel_group, GDK_Q, GDK_CONTROL_MASK,
			      GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED);

  return info;
}

static WidgetInfo *
create_combo_box_entry (void)
{
  GtkWidget *widget;
  GtkWidget *align;
  
  gtk_rc_parse_string ("style \"combo-box-entry-style\" {\n"
		       "  GtkComboBox::appears-as-list = 1\n"
		       "}\n"
		       "widget_class \"GtkComboBoxEntry\" style \"combo-box-entry-style\"\n" );
  widget = gtk_combo_box_entry_new_text ();
  gtk_entry_set_text (GTK_ENTRY (GTK_BIN (widget)->child), "Combo Box Entry");
  align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
  gtk_container_add (GTK_CONTAINER (align), widget);

  return new_widget_info ("combo-box-entry", align, SMALL);
}

static WidgetInfo *
create_combo_box (void)
{
  GtkWidget *widget;
  GtkWidget *align;
  
  gtk_rc_parse_string ("style \"combo-box-style\" {\n"
		       "  GtkComboBox::appears-as-list = 0\n"
		       "}\n"
		       "widget_class \"GtkComboBox\" style \"combo-box-style\"\n" );

  widget = gtk_combo_box_new_text ();
  gtk_combo_box_append_text (GTK_COMBO_BOX (widget), "Combo Box");
  gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 0);
  align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
  gtk_container_add (GTK_CONTAINER (align), widget);

  return new_widget_info ("combo-box", align, SMALL);
}

static WidgetInfo *
create_text_view (void)
{
  GtkWidget *widget;
  GtkWidget *text_view;

  widget = gtk_frame_new (NULL);
  gtk_frame_set_shadow_type (GTK_FRAME (widget), GTK_SHADOW_IN);
  text_view = gtk_text_view_new ();
  gtk_container_add (GTK_CONTAINER (widget), text_view);
  /* Bad hack to add some size to the widget */
  gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view)),
			    "Multiline\nText\n\n", -1);
  gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (text_view), FALSE);

  return new_widget_info ("multiline-text", widget, MEDIUM);
}

static WidgetInfo *
create_tree_view (void)
{
  GtkWidget *widget;
  GtkWidget *tree_view;
  GtkListStore *list_store;
  GtkTreeIter iter;
  WidgetInfo *info;

  widget = gtk_frame_new (NULL);
  gtk_frame_set_shadow_type (GTK_FRAME (widget), GTK_SHADOW_IN);
  list_store = gtk_list_store_new (1, G_TYPE_STRING);
  gtk_list_store_append (list_store, &iter);
  gtk_list_store_set (list_store, &iter, 0, "Line One", -1);
  gtk_list_store_append (list_store, &iter);
  gtk_list_store_set (list_store, &iter, 0, "Line Two", -1);
  gtk_list_store_append (list_store, &iter);
  gtk_list_store_set (list_store, &iter, 0, "Line Three", -1);

  tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (list_store));
  gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
					       0, "List and Tree",
					       gtk_cell_renderer_text_new (),
					       "text", 0, NULL);
  gtk_container_add (GTK_CONTAINER (widget), tree_view);

  info = new_widget_info ("list-and-tree", widget, MEDIUM);
  info->no_focus = FALSE;

  return info;
}

static WidgetInfo *
create_icon_view (void)
{
  GtkWidget *widget;
  GtkWidget *vbox;
  GtkWidget *align;
  GtkWidget *icon_view;
  GtkListStore *list_store;
  GtkTreeIter iter;
  GdkPixbuf *pixbuf;
  WidgetInfo *info;

  widget = gtk_frame_new (NULL);
  gtk_frame_set_shadow_type (GTK_FRAME (widget), GTK_SHADOW_IN);
  list_store = gtk_list_store_new (2, G_TYPE_STRING, GDK_TYPE_PIXBUF);
  gtk_list_store_append (list_store, &iter);
  pixbuf = gdk_pixbuf_new_from_file ("gnome-gmush.png", NULL);
  gtk_list_store_set (list_store, &iter, 0, "One", 1, pixbuf, -1);
  gtk_list_store_append (list_store, &iter);
  pixbuf = gdk_pixbuf_new_from_file ("gnome-foot.png", NULL);
  gtk_list_store_set (list_store, &iter, 0, "Two", 1, pixbuf, -1);

  icon_view = gtk_icon_view_new();

  gtk_icon_view_set_model (GTK_ICON_VIEW (icon_view), GTK_TREE_MODEL (list_store));
  gtk_icon_view_set_text_column (GTK_ICON_VIEW (icon_view), 0);
  gtk_icon_view_set_pixbuf_column (GTK_ICON_VIEW (icon_view), 1);

  gtk_container_add (GTK_CONTAINER (widget), icon_view);

  vbox = gtk_vbox_new (FALSE, 3);
  align = gtk_alignment_new (0.5, 0.5, 1.0, 1.0);
  gtk_container_add (GTK_CONTAINER (align), widget);
  gtk_box_pack_start (GTK_BOX (vbox), align, TRUE, TRUE, 0);
  gtk_box_pack_start (GTK_BOX (vbox),
		      gtk_label_new ("Icon View"),
		      FALSE, FALSE, 0);

  info = new_widget_info ("icon-view", vbox, MEDIUM);
  info->no_focus = FALSE;

  return info;
}

static WidgetInfo *
create_color_button (void)
{
  GtkWidget *vbox;
  GtkWidget *picker;
  GtkWidget *align;
  GdkColor color;

  vbox = gtk_vbox_new (FALSE, 3);
  align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
  color.red = 0x1e<<8;  /* Go Gagne! */
  color.green = 0x90<<8;
  color.blue = 0xff<<8;
  picker = gtk_color_button_new_with_color (&color);
  gtk_container_add (GTK_CONTAINER (align), picker);
  gtk_box_pack_start (GTK_BOX (vbox), align, FALSE, FALSE, 0);
  gtk_box_pack_start (GTK_BOX (vbox),
		      gtk_label_new ("Color Button"),
		      FALSE, FALSE, 0);

  return new_widget_info ("color-button", vbox, SMALL);
}

static WidgetInfo *
create_font_button (void)
{
  GtkWidget *vbox;
  GtkWidget *picker;
  GtkWidget *align;

  vbox = gtk_vbox_new (FALSE, 3);
  align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
  picker = gtk_font_button_new_with_font ("Sans Serif 10");
  gtk_container_add (GTK_CONTAINER (align), picker);
  gtk_box_pack_start (GTK_BOX (vbox), align, FALSE, FALSE, 0);
  gtk_box_pack_start (GTK_BOX (vbox),
		      gtk_label_new ("Font Button"),
		      FALSE, FALSE, 0);

  return new_widget_info ("font-button", vbox, SMALL);
}

static WidgetInfo *
create_file_button (void)
{
  GtkWidget *vbox;
  GtkWidget *vbox2;
  GtkWidget *picker;