pidgin/pidgin

merge of 'b98e72d4089afb8a1879e5fe9627cfb132ee88de'
gaim
2007-05-20, William Ehlhardt
77693555855f
merge of 'b98e72d4089afb8a1879e5fe9627cfb132ee88de'
and 'b2836a24d81e7a1bd1d21b3aea8794b094391344'
#include "gntbox.h"
#include "gntcombobox.h"
#include "gnttree.h"
#include "gntmarshal.h"
#include "gntutils.h"
#include <string.h>
enum
{
SIG_SELECTION_CHANGED,
SIGS,
};
static GntWidgetClass *parent_class = NULL;
static guint signals[SIGS] = { 0 };
static void (*widget_lost_focus)(GntWidget *widget);
static void
set_selection(GntComboBox *box, gpointer key)
{
if (box->selected != key)
{
/* XXX: make sure the key actually does exist */
gpointer old = box->selected;
box->selected = key;
if (GNT_WIDGET(box)->window)
gnt_widget_draw(GNT_WIDGET(box));
if (box->dropdown)
gnt_tree_set_selected(GNT_TREE(box->dropdown), key);
g_signal_emit(box, signals[SIG_SELECTION_CHANGED], 0, old, key);
}
}
static void
gnt_combo_box_draw(GntWidget *widget)
{
GntComboBox *box = GNT_COMBO_BOX(widget);
char *text = NULL, *s;
GntColorType type;
int len;
if (box->dropdown && box->selected)
text = gnt_tree_get_selection_text(GNT_TREE(box->dropdown));
if (text == NULL)
text = g_strdup("");
if (gnt_widget_has_focus(widget))
type = GNT_COLOR_HIGHLIGHT;
else
type = GNT_COLOR_NORMAL;
wbkgdset(widget->window, '\0' | COLOR_PAIR(type));
s = (char*)gnt_util_onscreen_width_to_pointer(text, widget->priv.width - 4, &len);
*s = '\0';
mvwprintw(widget->window, 1, 1, text);
whline(widget->window, ' ' | COLOR_PAIR(type), widget->priv.width - 4 - len);
mvwaddch(widget->window, 1, widget->priv.width - 3, ACS_VLINE | COLOR_PAIR(GNT_COLOR_NORMAL));
mvwaddch(widget->window, 1, widget->priv.width - 2, ACS_DARROW | COLOR_PAIR(GNT_COLOR_NORMAL));
g_free(text);
GNTDEBUG;
}
static void
gnt_combo_box_size_request(GntWidget *widget)
{
if (!GNT_WIDGET_IS_FLAG_SET(widget, GNT_WIDGET_MAPPED))
{
GntWidget *dd = GNT_COMBO_BOX(widget)->dropdown;
gnt_widget_size_request(dd);
widget->priv.height = 3; /* For now, a combobox will have border */
widget->priv.width = MAX(10, dd->priv.width + 4);
}
}
static void
gnt_combo_box_map(GntWidget *widget)
{
if (widget->priv.width == 0 || widget->priv.height == 0)
gnt_widget_size_request(widget);
GNTDEBUG;
}
static void
popup_dropdown(GntComboBox *box)
{
GntWidget *widget = GNT_WIDGET(box);
GntWidget *parent = box->dropdown->parent;
int height = g_list_length(GNT_TREE(box->dropdown)->list);
int y = widget->priv.y + widget->priv.height - 1;
gnt_widget_set_size(box->dropdown, widget->priv.width, height + 2);
if (y + height + 2 >= getmaxy(stdscr))
y = widget->priv.y - height - 1;
gnt_widget_set_position(parent, widget->priv.x, y);
if (parent->window)
{
mvwin(parent->window, y, widget->priv.x);
wresize(parent->window, height+2, widget->priv.width);
}
parent->priv.width = widget->priv.width;
parent->priv.height = height + 2;
GNT_WIDGET_UNSET_FLAGS(parent, GNT_WIDGET_INVISIBLE);
gnt_widget_draw(parent);
}
static gboolean
gnt_combo_box_key_pressed(GntWidget *widget, const char *text)
{
GntComboBox *box = GNT_COMBO_BOX(widget);
if (GNT_WIDGET_IS_FLAG_SET(box->dropdown->parent, GNT_WIDGET_MAPPED))
{
if (text[1] == 0)
{
switch (text[0])
{
case '\r':
case '\t':
set_selection(box, gnt_tree_get_selection_data(GNT_TREE(box->dropdown)));
case 27:
gnt_tree_set_selected(GNT_TREE(box->dropdown), box->selected);
gnt_widget_hide(box->dropdown->parent);
return TRUE;
break;
}
}
if (gnt_widget_key_pressed(box->dropdown, text))
return TRUE;
}
else
{
if (text[0] == 27)
{
if (strcmp(text, GNT_KEY_UP) == 0 ||
strcmp(text, GNT_KEY_DOWN) == 0)
{
popup_dropdown(box);
return TRUE;
}
}
}
return FALSE;
}
static void
gnt_combo_box_destroy(GntWidget *widget)
{
gnt_widget_destroy(GNT_COMBO_BOX(widget)->dropdown->parent);
}
static void
gnt_combo_box_lost_focus(GntWidget *widget)
{
GntComboBox *combo = GNT_COMBO_BOX(widget);
if (GNT_WIDGET_IS_FLAG_SET(combo->dropdown->parent, GNT_WIDGET_MAPPED))
gnt_widget_hide(GNT_COMBO_BOX(widget)->dropdown->parent);
widget_lost_focus(widget);
}
static gboolean
gnt_combo_box_clicked(GntWidget *widget, GntMouseEvent event, int x, int y)
{
GntComboBox *box = GNT_COMBO_BOX(widget);
gboolean dshowing = GNT_WIDGET_IS_FLAG_SET(box->dropdown->parent, GNT_WIDGET_MAPPED);
if (event == GNT_MOUSE_SCROLL_UP) {
if (dshowing)
gnt_widget_key_pressed(box->dropdown, GNT_KEY_UP);
} else if (event == GNT_MOUSE_SCROLL_DOWN) {
if (dshowing)
gnt_widget_key_pressed(box->dropdown, GNT_KEY_DOWN);
} else if (event == GNT_LEFT_MOUSE_DOWN) {
if (dshowing) {
set_selection(box, gnt_tree_get_selection_data(GNT_TREE(box->dropdown)));
gnt_widget_hide(box->dropdown->parent);
} else {
popup_dropdown(GNT_COMBO_BOX(widget));
}
} else
return FALSE;
return TRUE;
}
static void
gnt_combo_box_class_init(GntComboBoxClass *klass)
{
parent_class = GNT_WIDGET_CLASS(klass);
parent_class->destroy = gnt_combo_box_destroy;
parent_class->draw = gnt_combo_box_draw;
parent_class->map = gnt_combo_box_map;
parent_class->size_request = gnt_combo_box_size_request;
parent_class->key_pressed = gnt_combo_box_key_pressed;
parent_class->clicked = gnt_combo_box_clicked;
widget_lost_focus = parent_class->lost_focus;
parent_class->lost_focus = gnt_combo_box_lost_focus;
signals[SIG_SELECTION_CHANGED] =
g_signal_new("selection-changed",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
gnt_closure_marshal_VOID__POINTER_POINTER,
G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_POINTER);
GNTDEBUG;
}
static void
gnt_combo_box_init(GTypeInstance *instance, gpointer class)
{
GntWidget *box;
GntWidget *widget = GNT_WIDGET(instance);
GntComboBox *combo = GNT_COMBO_BOX(instance);
GNT_WIDGET_SET_FLAGS(GNT_WIDGET(instance),
GNT_WIDGET_GROW_X | GNT_WIDGET_CAN_TAKE_FOCUS | GNT_WIDGET_NO_SHADOW);
combo->dropdown = gnt_tree_new();
box = gnt_box_new(FALSE, FALSE);
GNT_WIDGET_SET_FLAGS(box, GNT_WIDGET_NO_SHADOW | GNT_WIDGET_NO_BORDER | GNT_WIDGET_TRANSIENT);
gnt_box_set_pad(GNT_BOX(box), 0);
gnt_box_add_widget(GNT_BOX(box), combo->dropdown);
widget->priv.minw = 4;
widget->priv.minh = 3;
GNTDEBUG;
}
/******************************************************************************
* GntComboBox API
*****************************************************************************/
GType
gnt_combo_box_get_gtype(void)
{
static GType type = 0;
if(type == 0)
{
static const GTypeInfo info = {
sizeof(GntComboBoxClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc)gnt_combo_box_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof(GntComboBox),
0, /* n_preallocs */
gnt_combo_box_init, /* instance_init */
};
type = g_type_register_static(GNT_TYPE_WIDGET,
"GntComboBox",
&info, 0);
}
return type;
}
GntWidget *gnt_combo_box_new()
{
GntWidget *widget = g_object_new(GNT_TYPE_COMBO_BOX, NULL);
return widget;
}
void gnt_combo_box_add_data(GntComboBox *box, gpointer key, const char *text)
{
gnt_tree_add_row_last(GNT_TREE(box->dropdown), key,
gnt_tree_create_row(GNT_TREE(box->dropdown), text), NULL);
if (box->selected == NULL)
set_selection(box, key);
}
gpointer gnt_combo_box_get_selected_data(GntComboBox *box)
{
return box->selected;
}
void gnt_combo_box_set_selected(GntComboBox *box, gpointer key)
{
set_selection(box, key);
}
void gnt_combo_box_remove(GntComboBox *box, gpointer key)
{
gnt_tree_remove(GNT_TREE(box->dropdown), key);
if (box->selected == key)
set_selection(box, NULL);
}
void gnt_combo_box_remove_all(GntComboBox *box)
{
gnt_tree_remove_all(GNT_TREE(box->dropdown));
set_selection(box, NULL);
}