119 lines
3.6 KiB
C
119 lines
3.6 KiB
C
/*
|
|
* Copyright (C) 2010-2011 Daiki Ueno <ueno@unixuser.org>
|
|
* Copyright (C) 2010-2011 Red Hat, Inc.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
* 02110-1301 USA
|
|
*/
|
|
|
|
/**
|
|
* SECTION:eek-layout
|
|
* @short_description: Base class of a layout engine
|
|
*
|
|
* The #EekLayout class is a base class of layout engine which
|
|
* arranges keyboard elements.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "eek-layout.h"
|
|
#include "eek-keyboard.h"
|
|
#include "eekboard/eekboard-context-service.h"
|
|
#include "eek-xml-layout.h"
|
|
|
|
G_DEFINE_ABSTRACT_TYPE (EekLayout, eek_layout, G_TYPE_OBJECT)
|
|
|
|
static void
|
|
eek_layout_class_init (EekLayoutClass *klass)
|
|
{
|
|
klass->create_keyboard = NULL;
|
|
}
|
|
|
|
void
|
|
eek_layout_init (EekLayout *self)
|
|
{
|
|
}
|
|
|
|
const double section_spacing = 7.0;
|
|
|
|
struct place_data {
|
|
double desired_width;
|
|
double current_offset;
|
|
// Needed for outline (bounds) retrieval
|
|
LevelKeyboard *keyboard;
|
|
};
|
|
|
|
static void
|
|
section_placer(EekElement *element, gpointer user_data)
|
|
{
|
|
struct place_data *data = (struct place_data*)user_data;
|
|
|
|
EekSection *section = EEK_SECTION(element);
|
|
EekBounds section_bounds = {
|
|
.x = 0,
|
|
.y = 0,
|
|
.width = data->desired_width,
|
|
.height = 0,
|
|
};
|
|
eek_section_set_bounds(section, section_bounds);
|
|
|
|
// Sections are rows now. Gather up all the keys and adjust their bounds.
|
|
eek_section_place_keys(EEK_SECTION(element), data->keyboard);
|
|
|
|
section_bounds = eek_section_get_bounds(section);
|
|
section_bounds.y = data->current_offset;
|
|
eek_section_set_bounds(section, section_bounds);
|
|
data->current_offset += section_bounds.height + section_spacing;
|
|
}
|
|
|
|
static void
|
|
section_counter(EekElement *element, gpointer user_data) {
|
|
|
|
double *total_height = user_data;
|
|
EekBounds section_bounds = eek_section_get_bounds(EEK_SECTION(element));
|
|
*total_height += section_bounds.height + section_spacing;
|
|
}
|
|
|
|
void
|
|
eek_layout_place_sections(LevelKeyboard *keyboard, EekKeyboard *level)
|
|
{
|
|
/* Order rows */
|
|
// This needs to be done after outlines, because outlines define key sizes
|
|
// TODO: do this only for rows without bounds
|
|
|
|
// The keyboard width is given by the user via screen size. The height will be given dynamically.
|
|
// TODO: calculate max line width beforehand for button centering. Leave keyboard centering to the renderer later
|
|
EekBounds keyboard_bounds = {0};
|
|
eek_element_get_bounds(EEK_ELEMENT(level), &keyboard_bounds);
|
|
|
|
struct place_data placer_data = {
|
|
.desired_width = keyboard_bounds.width,
|
|
.current_offset = 0,
|
|
.keyboard = keyboard,
|
|
};
|
|
eek_container_foreach_child(EEK_CONTAINER(level), section_placer, &placer_data);
|
|
|
|
double total_height = 0;
|
|
eek_container_foreach_child(EEK_CONTAINER(level), section_counter, &total_height);
|
|
keyboard_bounds.height = total_height;
|
|
eek_element_set_bounds(EEK_ELEMENT(level), &keyboard_bounds);
|
|
}
|
|
|
|
void
|
|
eek_layout_update_layout(LevelKeyboard *keyboard)
|
|
{
|
|
eek_layout_place_sections(keyboard, level_keyboard_current(keyboard));
|
|
}
|