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gtkradiant/radiant/dialog.cpp

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/*
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
//
// Base dialog class, provides a way to run modal dialogs and
// set/get the widget values in member variables.
//
// Leonardo Zide (leo@lokigames.com)
//
#include "stdafx.h"
#include <gtk/gtk.h>
#include <stdlib.h>
#include <stdio.h>
typedef struct
{
GtkObject *object;
void *buffer;
DLG_DATA_TYPE type;
} DLG_DATA;
// =============================================================================
// Dialog class
Dialog::Dialog ()
{
m_pDataList = (GSList*)NULL;
m_nReturn = IDCANCEL;
m_bNeedBuild = true;
m_nLoop = 0;
}
Dialog::~Dialog ()
{
while (m_pDataList)
{
free (m_pDataList->data);
m_pDataList = g_slist_remove (m_pDataList, m_pDataList->data);
}
if (m_pWidget != NULL)
gtk_widget_destroy (m_pWidget);
}
// i suspect that this is redundant - gtk manages to remember the data stored in its widgets across a hide/show
void Dialog::ShowDlg ()
{
Create ();
UpdateData (FALSE);
gtk_widget_show (m_pWidget);
}
void Dialog::HideDlg ()
{
UpdateData (TRUE);
gtk_widget_hide (m_pWidget);
}
static gint delete_event_callback(GtkWidget *widget, GdkEvent* event, gpointer data)
{
reinterpret_cast<Dialog*>(data)->HideDlg();
reinterpret_cast<Dialog*>(data)->EndModal(IDCANCEL);
return TRUE;
}
void Dialog::Create ()
{
if (m_bNeedBuild)
{
m_pWidget = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_signal_connect (GTK_OBJECT (m_pWidget), "delete_event",
GTK_SIGNAL_FUNC (delete_event_callback), this);
gtk_signal_connect (GTK_OBJECT (m_pWidget), "destroy",
GTK_SIGNAL_FUNC (gtk_widget_destroy), NULL);
g_object_set_data (G_OBJECT (m_pWidget), "loop", &m_nLoop);
g_object_set_data (G_OBJECT (m_pWidget), "ret", &m_nReturn);
BuildDialog();
m_bNeedBuild = false;
}
}
void Dialog::Destroy ()
{
if (m_pWidget != NULL)
{
gtk_widget_destroy (m_pWidget);
m_pWidget = NULL;
}
}
void Dialog::AddDialogData( GtkObject *object, void *buf, DLG_DATA_TYPE type )
{
DLG_DATA *data;
data = (DLG_DATA*)qmalloc (sizeof(DLG_DATA));
data->object = object;
data->buffer = buf;
data->type = type;
m_pDataList = g_slist_append (m_pDataList, data);
}
void Dialog::AddModalButton( GtkWidget *widget, int ret ) {
gtk_signal_connect( GTK_OBJECT( widget ), "clicked",
GTK_SIGNAL_FUNC( dialog_button_callback ), GINT_TO_POINTER( ret ) );
}
void Dialog::UpdateData (bool retrieve)
{
DLG_DATA *data;
GSList *lst;
char buf[32];
if (retrieve)
{
for (lst = m_pDataList; lst != NULL; lst = g_slist_next (lst))
{
data = (DLG_DATA*)lst->data;
switch (data->type)
{
case DLG_CHECK_BOOL:
*(bool*)data->buffer = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (data->object));
break;
case DLG_RADIO_INT:
{
GSList *radio = gtk_radio_button_group (GTK_RADIO_BUTTON (data->object));
*(int*)data->buffer = g_slist_length (radio) - 1;
for (; radio; radio = g_slist_next (radio))
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (radio->data)))
break;
else
(*(int*)data->buffer)--;
} break;
case DLG_ENTRY_TEXT:
{
const char *txt;
Str* str;
str = (Str*)data->buffer;
txt = gtk_entry_get_text (GTK_ENTRY (data->object));
*str = txt;
} break;
case DLG_ENTRY_FLOAT:
*(float*)data->buffer = atof (gtk_entry_get_text (GTK_ENTRY (data->object)));
break;
case DLG_ENTRY_INT:
*(int*)data->buffer = atoi (gtk_entry_get_text (GTK_ENTRY (data->object)));
break;
case DLG_SPIN_FLOAT:
*(float*)data->buffer = gtk_spin_button_get_value_as_float (GTK_SPIN_BUTTON (data->object));
break;
case DLG_SPIN_INT:
*(int*)data->buffer = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (data->object));
break;
case DLG_ADJ_INT:
*(int*)data->buffer = (int) GTK_ADJUSTMENT (data->object)->value;
break;
case DLG_COMBO_INT:
{
GList *lst = GTK_LIST (GTK_COMBO (data->object)->list)->children;
char *label;
const char *entry;
int i;
*(int*)data->buffer = -1;
entry = gtk_entry_get_text (GTK_ENTRY (GTK_COMBO (data->object)->entry));
for (i = 0; lst != NULL; lst = g_list_next (lst))
{
gtk_label_get (GTK_LABEL (GTK_BIN (lst->data)->child), &label);
if (strcmp (label, entry) == 0)
{
*(int*)data->buffer = i;
break;
}
i++;
}
} break;
}
}
}
else
{
for (lst = m_pDataList; lst != NULL; lst = g_slist_next (lst))
{
data = (DLG_DATA*)lst->data;
switch (data->type)
{
case DLG_CHECK_BOOL:
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (data->object), *(bool*)data->buffer);
break;
case DLG_RADIO_INT:
{
GSList *radio = gtk_radio_button_group (GTK_RADIO_BUTTON (data->object));
gpointer btn = g_slist_nth_data (radio, g_slist_length (radio) - (*(int*)data->buffer) - 1);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (btn), TRUE);
} break;
case DLG_ENTRY_TEXT:
{
Str* str;
str = (Str*)data->buffer;
const char *txt = str->GetBuffer ();
gtk_entry_set_text (GTK_ENTRY (data->object), txt);
} break;
case DLG_ENTRY_FLOAT:
sprintf (buf, "%g", (*(float*)data->buffer));
gtk_entry_set_text (GTK_ENTRY (data->object), buf);
break;
case DLG_ENTRY_INT:
sprintf (buf, "%d", (*(int*)data->buffer));
gtk_entry_set_text (GTK_ENTRY (data->object), buf);
break;
case DLG_SPIN_FLOAT:
gtk_spin_button_set_value (GTK_SPIN_BUTTON (data->object), (*(float*)data->buffer));
break;
case DLG_SPIN_INT:
gtk_spin_button_set_value (GTK_SPIN_BUTTON (data->object), (*(int*)data->buffer));
break;
case DLG_ADJ_INT:
gtk_adjustment_set_value (GTK_ADJUSTMENT (data->object), (*(int*)data->buffer));
break;
case DLG_COMBO_INT:
{
GList *lst = GTK_LIST (GTK_COMBO (data->object)->list)->children;
char *entry = "";
if (*(int*)data->buffer != -1)
{
lst = g_list_nth (lst, *(int*)data->buffer);
if (lst != NULL)
gtk_label_get (GTK_LABEL (GTK_BIN (lst->data)->child), &entry);
}
gtk_entry_set_text (GTK_ENTRY (GTK_COMBO (data->object)->entry), entry);
} break;
}
}
}
}
void Dialog::EndModal( int code ) {
m_nLoop = 0;
m_nReturn = code;
}
int Dialog::DoModal()
{
Create();
UpdateData( FALSE );
PreModal();
gtk_grab_add( m_pWidget );
gtk_widget_show( m_pWidget );
m_nLoop = 1;
while ( m_nLoop ) {
gtk_main_iteration();
}
if ( m_pWidget != NULL ) {
UpdateData( TRUE );
gtk_grab_remove( m_pWidget );
gtk_widget_hide( m_pWidget );
}
PostModal( m_nReturn );
return m_nReturn;
}
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