aseprite/src/jinete/jfile.cpp
2010-07-03 13:48:14 -03:00

457 lines
14 KiB
C++

/* Jinete - a GUI library
* Copyright (C) 2003-2010 David Capello.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of the author nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <allegro/unicode.h>
#include "jinete/jinete.h"
#include "tinyxml.h"
/* determine is the characer is a blank space */
#define IS_BLANK(c) (((c) == ' ') || \
((c) == '\t') || \
((c) == '\n') || \
((c) == '\r'))
/* TODO */
/* #define TRANSLATE_ATTR(a) \ */
/* (((a) != NULL && (a)[0] == '_') ? \ */
/* ji_translate_string((a)+1): (a)+1) */
#define TRANSLATE_ATTR(a) a
static bool bool_attr_is_true(TiXmlElement* elem, const char* attribute_name);
static JWidget convert_xmlelement_to_widget(TiXmlElement* elem);
static int convert_align_value_to_flags(const char *value);
JWidget ji_load_widget(const char *filename, const char *name)
{
JWidget widget = NULL;
TiXmlDocument doc;
if (!doc.LoadFile(filename))
throw jexception(&doc);
// search the requested widget
TiXmlHandle handle(&doc);
TiXmlElement* xmlElement = handle
.FirstChild("jinete")
.FirstChildElement().ToElement();
while (xmlElement) {
const char* nodename = xmlElement->Attribute("name");
if (nodename && ustrcmp(nodename, name) == 0) {
widget = convert_xmlelement_to_widget(xmlElement);
break;
}
xmlElement = xmlElement->NextSiblingElement();
}
return widget;
}
static bool bool_attr_is_true(TiXmlElement* elem, const char* attribute_name)
{
const char* value = elem->Attribute(attribute_name);
return (value != NULL) && (strcmp(value, "true") == 0);
}
static JWidget convert_xmlelement_to_widget(TiXmlElement* elem)
{
const char *elem_name = elem->Value();
JWidget widget = NULL;
JWidget child;
/* TODO error handling: add a message if the widget is bad specified */
/* box */
if (ustrcmp(elem_name, "box") == 0) {
bool horizontal = bool_attr_is_true(elem, "horizontal");
bool vertical = bool_attr_is_true(elem, "vertical");
bool homogeneous = bool_attr_is_true(elem, "homogeneous");
widget = jbox_new((horizontal ? JI_HORIZONTAL:
vertical ? JI_VERTICAL: 0) |
(homogeneous ? JI_HOMOGENEOUS: 0));
}
/* button */
else if (ustrcmp(elem_name, "button") == 0) {
const char *text = elem->Attribute("text");
widget = jbutton_new(text ? TRANSLATE_ATTR(text): NULL);
if (widget) {
bool left = bool_attr_is_true(elem, "left");
bool right = bool_attr_is_true(elem, "right");
bool top = bool_attr_is_true(elem, "top");
bool bottom = bool_attr_is_true(elem, "bottom");
const char *_bevel = elem->Attribute("bevel");
widget->setAlign((left ? JI_LEFT: (right ? JI_RIGHT: JI_CENTER)) |
(top ? JI_TOP: (bottom ? JI_BOTTOM: JI_MIDDLE)));
if (_bevel != NULL) {
char *bevel = jstrdup(_bevel);
int c, b[4];
char *tok;
for (c=0; c<4; ++c)
b[c] = 0;
for (tok=ustrtok(bevel, " "), c=0;
tok;
tok=ustrtok(NULL, " "), ++c) {
if (c < 4)
b[c] = ustrtol(tok, NULL, 10);
}
jfree(bevel);
jbutton_set_bevel(widget, b[0], b[1], b[2], b[3]);
}
}
}
/* check */
else if (ustrcmp(elem_name, "check") == 0) {
const char *text = elem->Attribute("text");
const char *looklike = elem->Attribute("looklike");
text = (text ? TRANSLATE_ATTR(text): NULL);
if (looklike != NULL && strcmp(looklike, "button") == 0) {
widget = ji_generic_button_new(text, JI_CHECK, JI_BUTTON);
}
else {
widget = jcheck_new(text);
}
if (widget) {
bool center = bool_attr_is_true(elem, "center");
bool right = bool_attr_is_true(elem, "right");
bool top = bool_attr_is_true(elem, "top");
bool bottom = bool_attr_is_true(elem, "bottom");
widget->setAlign((center ? JI_CENTER:
(right ? JI_RIGHT: JI_LEFT)) |
(top ? JI_TOP:
(bottom ? JI_BOTTOM: JI_MIDDLE)));
}
}
/* combobox */
else if (ustrcmp(elem_name, "combobox") == 0) {
widget = new ComboBox();
}
/* entry */
else if (ustrcmp(elem_name, "entry") == 0) {
const char *maxsize = elem->Attribute("maxsize");
const char *text = elem->Attribute("text");
if (maxsize != NULL) {
bool readonly = bool_attr_is_true(elem, "readonly");
widget = jentry_new(ustrtol(maxsize, NULL, 10),
text ? TRANSLATE_ATTR(text): NULL);
if (readonly)
jentry_readonly(widget, true);
}
}
/* grid */
else if (ustrcmp(elem_name, "grid") == 0) {
const char *columns = elem->Attribute("columns");
bool same_width_columns = bool_attr_is_true(elem, "same_width_columns");
if (columns != NULL) {
widget = jgrid_new(ustrtol(columns, NULL, 10),
same_width_columns);
}
}
/* label */
else if (ustrcmp(elem_name, "label") == 0) {
const char *text = elem->Attribute("text");
widget = new Label(text ? TRANSLATE_ATTR(text): NULL);
if (widget) {
bool center = bool_attr_is_true(elem, "center");
bool right = bool_attr_is_true(elem, "right");
bool top = bool_attr_is_true(elem, "top");
bool bottom = bool_attr_is_true(elem, "bottom");
widget->setAlign((center ? JI_CENTER:
(right ? JI_RIGHT: JI_LEFT)) |
(top ? JI_TOP:
(bottom ? JI_BOTTOM: JI_MIDDLE)));
}
}
/* listbox */
else if (ustrcmp(elem_name, "listbox") == 0) {
widget = jlistbox_new();
}
/* listitem */
else if (ustrcmp(elem_name, "listitem") == 0) {
const char *text = elem->Attribute("text");
widget = jlistitem_new(text ? TRANSLATE_ATTR(text): NULL);
}
/* panel */
else if (ustrcmp(elem_name, "panel") == 0) {
bool horizontal = bool_attr_is_true(elem, "horizontal");
bool vertical = bool_attr_is_true(elem, "vertical");
widget = jpanel_new(horizontal ? JI_HORIZONTAL:
vertical ? JI_VERTICAL: 0);
}
/* radio */
else if (ustrcmp(elem_name, "radio") == 0) {
const char* text = elem->Attribute("text");
const char* group = elem->Attribute("group");
const char *looklike = elem->Attribute("looklike");
text = (text ? TRANSLATE_ATTR(text): NULL);
int radio_group = (group ? ustrtol(group, NULL, 10): 1);
if (looklike != NULL && strcmp(looklike, "button") == 0) {
widget = ji_generic_button_new(text, JI_RADIO, JI_BUTTON);
if (widget)
jradio_set_group(widget, radio_group);
}
else {
widget = jradio_new(text, radio_group);
}
if (widget) {
bool center = bool_attr_is_true(elem, "center");
bool right = bool_attr_is_true(elem, "right");
bool top = bool_attr_is_true(elem, "top");
bool bottom = bool_attr_is_true(elem, "bottom");
widget->setAlign((center ? JI_CENTER:
(right ? JI_RIGHT: JI_LEFT)) |
(top ? JI_TOP:
(bottom ? JI_BOTTOM: JI_MIDDLE)));
}
}
/* separator */
else if (ustrcmp(elem_name, "separator") == 0) {
const char *text = elem->Attribute("text");
bool center = bool_attr_is_true(elem, "center");
bool right = bool_attr_is_true(elem, "right");
bool middle = bool_attr_is_true(elem, "middle");
bool bottom = bool_attr_is_true(elem, "bottom");
bool horizontal = bool_attr_is_true(elem, "horizontal");
bool vertical = bool_attr_is_true(elem, "vertical");
widget = ji_separator_new(text ? TRANSLATE_ATTR(text): NULL,
(horizontal ? JI_HORIZONTAL: 0) |
(vertical ? JI_VERTICAL: 0) |
(center ? JI_CENTER:
(right ? JI_RIGHT: JI_LEFT)) |
(middle ? JI_MIDDLE:
(bottom ? JI_BOTTOM: JI_TOP)));
}
/* slider */
else if (ustrcmp(elem_name, "slider") == 0) {
const char *min = elem->Attribute("min");
const char *max = elem->Attribute("max");
int min_value = min != NULL ? ustrtol(min, NULL, 10): 0;
int max_value = max != NULL ? ustrtol(max, NULL, 10): 0;
widget = jslider_new(min_value, max_value, min_value);
}
/* textbox */
else if (ustrcmp(elem_name, "textbox") == 0) {
//bool wordwrap = bool_attr_is_true(elem, "wordwrap");
/* TODO add translatable support */
/* TODO here we need jxmlelem_get_text(elem) */
/* widget = jtextbox_new(tag->text, wordwrap ? JI_WORDWRAP: 0); */
assert(false);
}
/* view */
else if (ustrcmp(elem_name, "view") == 0) {
widget = jview_new();
}
/* window */
else if (ustrcmp(elem_name, "window") == 0) {
const char *text = elem->Attribute("text");
if (text) {
bool desktop = bool_attr_is_true(elem, "desktop");
if (desktop)
widget = new Frame(true, NULL);
else
widget = new Frame(false, TRANSLATE_ATTR(text));
}
}
/* the widget was created? */
if (widget) {
const char *name = elem->Attribute("name");
const char *tooltip = elem->Attribute("tooltip");
bool selected = bool_attr_is_true(elem, "selected");
bool disabled = bool_attr_is_true(elem, "disabled");
bool expansive = bool_attr_is_true(elem, "expansive");
bool magnetic = bool_attr_is_true(elem, "magnetic");
bool noborders = bool_attr_is_true(elem, "noborders");
const char *width = elem->Attribute("width");
const char *height = elem->Attribute("height");
const char *minwidth = elem->Attribute("minwidth");
const char *minheight = elem->Attribute("minheight");
const char *maxwidth = elem->Attribute("maxwidth");
const char *maxheight = elem->Attribute("maxheight");
const char *childspacing = elem->Attribute("childspacing");
if (name != NULL)
widget->setName(name);
if (tooltip != NULL)
jwidget_add_tooltip_text(widget, tooltip);
if (selected)
jwidget_set_selected(widget, selected);
if (disabled)
jwidget_disable(widget);
if (expansive)
jwidget_expansive(widget, true);
if (magnetic)
jwidget_magnetic(widget, true);
if (noborders)
jwidget_noborders(widget);
if (childspacing)
widget->child_spacing = ustrtol(childspacing, NULL, 10);
if (width || minwidth ||
height || minheight) {
int w = (width || minwidth) ? ustrtol(width ? width: minwidth, NULL, 10): 0;
int h = (height || minheight) ? ustrtol(height ? height: minheight, NULL, 10): 0;
jwidget_set_min_size(widget, w*jguiscale(), h*jguiscale());
}
if (width || maxwidth ||
height || maxheight) {
int w = (width || maxwidth) ? strtol(width ? width: maxwidth, NULL, 10): INT_MAX;
int h = (height || maxheight) ? strtol(height ? height: maxheight, NULL, 10): INT_MAX;
jwidget_set_max_size(widget, w*jguiscale(), h*jguiscale());
}
/* children */
TiXmlElement* child_elem = elem->FirstChildElement();
while (child_elem) {
child = convert_xmlelement_to_widget(child_elem);
if (child) {
/* attach the child in the view */
if (widget->type == JI_VIEW) {
jview_attach(widget, child);
break;
}
/* add the child in the grid */
else if (widget->type == JI_GRID) {
const char* cell_hspan = child_elem->Attribute("cell_hspan");
const char* cell_vspan = child_elem->Attribute("cell_vspan");
const char* cell_align = child_elem->Attribute("cell_align");
int hspan = cell_hspan ? ustrtol(cell_hspan, NULL, 10): 1;
int vspan = cell_vspan ? ustrtol(cell_vspan, NULL, 10): 1;
int align = cell_align ? convert_align_value_to_flags(cell_align): 0;
jgrid_add_child(widget, child, hspan, vspan, align);
}
/* just add the child in any other kind of widget */
else
jwidget_add_child(widget, child);
}
child_elem = child_elem->NextSiblingElement();
}
if (widget->type == JI_VIEW) {
bool maxsize = bool_attr_is_true(elem, "maxsize");
if (maxsize)
jview_maxsize(widget);
}
}
return widget;
}
static int convert_align_value_to_flags(const char *value)
{
char *tok, *ptr = jstrdup(value);
int flags = 0;
for (tok=ustrtok(ptr, " ");
tok != NULL;
tok=ustrtok(NULL, " ")) {
if (ustrcmp(tok, "horizontal") == 0) {
flags |= JI_HORIZONTAL;
}
else if (ustrcmp(tok, "vertical") == 0) {
flags |= JI_VERTICAL;
}
else if (ustrcmp(tok, "left") == 0) {
flags |= JI_LEFT;
}
else if (ustrcmp(tok, "center") == 0) {
flags |= JI_CENTER;
}
else if (ustrcmp(tok, "right") == 0) {
flags |= JI_RIGHT;
}
else if (ustrcmp(tok, "top") == 0) {
flags |= JI_TOP;
}
else if (ustrcmp(tok, "middle") == 0) {
flags |= JI_MIDDLE;
}
else if (ustrcmp(tok, "bottom") == 0) {
flags |= JI_BOTTOM;
}
else if (ustrcmp(tok, "homogeneous") == 0) {
flags |= JI_HOMOGENEOUS;
}
}
jfree(ptr);
return flags;
}