A src/freespace/freespace.c

@@ -0,0 +1,93 @@ 
+/**************************************************************************
+*
+* Tint2 : freespace
+*
+* Copyright (C) 2011 Mishael A Sibiryakov (death@junki.org)
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License version 2
+* as published by the Free Software Foundation.
+*
+* This program 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 this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+**************************************************************************/
+
+
+#include <string.h>
+#include <stdio.h>
+#include <cairo.h>
+#include <cairo-xlib.h>
+#include <pango/pangocairo.h>
+#include <stdlib.h>
+
+#include "window.h"
+#include "server.h"
+#include "panel.h"
+#include "freespace.h"
+#include "common.h"
+
+void init_freespace_panel(void *p)
+{
+	Panel *panel = (Panel*)p;
+	FreeSpace *freespace = &panel->freespace;
+
+	if (freespace->area.bg == 0)
+		freespace->area.bg = &g_array_index(backgrounds, Background, 0);
+	freespace->area.parent = p;
+	freespace->area.panel = p;
+	freespace->area.size_mode = SIZE_BY_CONTENT;
+	freespace->area.resize = 1;
+	freespace->area.on_screen = 1;
+	freespace->area._resize = resize_freespace;
+}
+
+int freespace_get_max_size(Panel *p) {
+	// Get space used by every element except the freespace
+	GList *walk;
+	int size = 0;
+	for (walk = p->area.list; walk; walk = g_list_next(walk)) {
+		Area *a = (Area *)walk->data;
+
+		if (a->_resize == resize_freespace || !a->on_screen)
+			continue;
+
+		if (panel_horizontal)
+			size += a->width + (a->bg->border.width * 2) + p->area.paddingx;
+		else
+			size += a->height + (a->bg->border.width * 2) + p->area.paddingy;
+	}
+
+	if (panel_horizontal)
+		size = p->area.width - size - (p->area.bg->border.width * 2) - p->area.paddingxlr;
+	else
+		size = p->area.height - size - (p->area.bg->border.width * 2) - p->area.paddingxlr;
+
+	return size;
+}
+
+int resize_freespace(void *obj) {
+	FreeSpace *freespace = (FreeSpace*)obj;
+	Panel *panel = (Panel*)freespace->area.panel;
+	if (!freespace->area.on_screen)
+		return 0;
+
+	int old_size = panel_horizontal ? freespace->area.width : freespace->area.height;
+	int size = freespace_get_max_size(panel);
+	if (old_size == size)
+		return 0;
+
+	if (panel_horizontal) {
+		freespace->area.width = size;
+	} else {
+		freespace->area.height = size;
+	}
+
+	freespace->area.redraw = 1;
+	panel_refresh = 1;
+	return 1;
+}

A src/freespace/freespace.h

@@ -0,0 +1,20 @@ 
+/**************************************************************************
+* Copyright (C) 2011 Mishael A Sibiryakov (death@junki.org)
+**************************************************************************/
+
+#ifndef FREESPACE_H
+#define FREESPACE_H
+
+#include "common.h"
+#include "area.h"
+
+typedef struct FreeSpace {
+	Area area;
+} FreeSpace;
+
+void cleanup_freespace();
+void init_freespace_panel(void *panel);
+
+int resize_freespace(void *obj);
+
+#endif