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Add XML layout engine (WIP).

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This commit is contained in:
Daiki Ueno
2011-01-26 19:17:32 +09:00
parent b22858f9cf
commit 0dd37a39b9
4 changed files with 610 additions and 0 deletions
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207
eek/eek-xml.c Normal file
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#include <stdio.h>
#include <stdarg.h>
#include <glib/gprintf.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
#include "eek-section.h"
#include "eek-key.h"
#include "eek-xml.h"
#define g_string_append_indent(string, indent) \
{ \
gint i; \
for (i = 0; i < (indent); i++) { \
g_string_append (string, " "); \
} \
}
G_INLINE_FUNC void
g_string_markup_printf (GString *output, const gchar *format, ...)
{
gchar *escaped_text;
va_list ap;
va_start (ap, format);
escaped_text = g_markup_vprintf_escaped (format, ap);
va_end (ap);
g_string_append (output, escaped_text);
g_free (escaped_text);
}
struct _OutputCallbackData {
GString *output;
gint indent;
GArray *outline_array;
};
typedef struct _OutputCallbackData OutputCallbackData;
static void
output_bounds (GString *output, EekBounds *bounds)
{
g_string_markup_printf (output,
"<bounds>%lf,%lf,%lf,%lf</bounds>\n",
bounds->x,
bounds->y,
bounds->width,
bounds->height);
}
static void
output_key_callback (EekElement *element, gpointer user_data)
{
OutputCallbackData *data = user_data;
EekBounds bounds;
EekOutline *outline;
gint i, num_groups, num_levels;
guint *keysyms;
gint column, row;
eek_key_get_index (EEK_KEY(element), &column, &row);
g_string_append_indent (data->output, data->indent);
if (eek_element_get_name (element))
g_string_markup_printf (data->output,
"<key column=\"%d\" row=\"%d\" name=\"%s\">\n",
column, row, eek_element_get_name (element));
else
g_string_markup_printf (data->output,
"<key column=\"%d\" row=\"%d\">\n",
column, row);
eek_element_get_bounds (element, &bounds);
g_string_append_indent (data->output, data->indent + 1);
output_bounds (data->output, &bounds);
outline = eek_key_get_outline (EEK_KEY(element));
if (outline) {
for (i = 0;
i < data->outline_array->len &&
g_array_index (data->outline_array, gpointer, i) == outline;
i++)
;
if (i == data->outline_array->len)
g_array_append_val (data->outline_array, outline);
g_string_append_indent (data->output, data->indent + 1);
g_string_markup_printf (data->output,
"<outline>outline%d</outline>\n",
i);
}
g_string_append_indent (data->output, data->indent + 1);
g_string_markup_printf (data->output, "<keycode>%u</keycode>\n",
eek_key_get_keycode (EEK_KEY(element)));
keysyms = NULL;
eek_key_get_keysyms (EEK_KEY(element), &keysyms, &num_groups, &num_levels);
if (keysyms) {
g_string_append_indent (data->output, data->indent + 1);
g_string_markup_printf (data->output,
"<keysyms groups=\"%d\" levels=\"%d\">\n",
num_groups, num_levels);
for (i = 0; i < num_groups * num_levels; i++) {
g_string_append_indent (data->output, data->indent + 2);
if (keysyms[i] != EEK_INVALID_KEYSYM) {
gchar *name = eek_keysym_to_string (keysyms[i]);
g_string_markup_printf (data->output,
"<keysym name=\"%s\">%u</keysym>\n",
name, keysyms[i]);
g_free (name);
} else
g_string_markup_printf (data->output,
"<keysym>%u</keysym>\n",
keysyms[i]);
}
g_string_append_indent (data->output, data->indent + 1);
g_string_markup_printf (data->output, "</keysyms>\n");
}
g_string_append_indent (data->output, data->indent);
g_string_markup_printf (data->output, "</key>\n");
}
static void
output_section_callback (EekElement *element, gpointer user_data)
{
OutputCallbackData *data = user_data;
EekBounds bounds;
gint angle;
g_string_append_indent (data->output, data->indent);
if (eek_element_get_name (element))
g_string_markup_printf (data->output, "<section name=\"%s\">\n",
eek_element_get_name (element));
else
g_string_markup_printf (data->output, "<section>\n");
eek_element_get_bounds (element, &bounds);
g_string_append_indent (data->output, data->indent + 1);
output_bounds (data->output, &bounds);
angle = eek_section_get_angle (EEK_SECTION(element));
g_string_append_indent (data->output, data->indent + 1);
g_string_markup_printf (data->output, "<angle>%d</angle>\n", angle);
data->indent++;
eek_container_foreach_child (EEK_CONTAINER(element),
output_key_callback,
data);
data->indent--;
g_string_append_indent (data->output, data->indent);
g_string_markup_printf (data->output, "</section>\n");
}
void
eek_keyboard_output (EekKeyboard *keyboard, GString *output, gint indent)
{
OutputCallbackData data;
EekBounds bounds;
gint i;
g_assert (EEK_IS_KEYBOARD(keyboard));
g_string_append_indent (output, indent);
g_string_markup_printf (output, "<?xml version=\"1.0\"?>\n<keyboard>\n");
eek_element_get_bounds (EEK_ELEMENT(keyboard), &bounds);
g_string_append_indent (output, indent + 1);
output_bounds (output, &bounds);
data.output = output;
data.indent = indent;
data.outline_array = g_array_new (FALSE, FALSE, sizeof (gpointer));
data.indent++;
eek_container_foreach_child (EEK_CONTAINER(keyboard),
output_section_callback,
&data);
data.indent--;
for (i = 0; i < data.outline_array->len; i++) {
EekOutline *outline;
gint j;
g_string_append_indent (output, indent + 1);
g_string_markup_printf (output, "<outline id=\"outline%d\">\n", i);
outline = g_array_index (data.outline_array, gpointer, i);
for (j = 0; j < outline->num_points; j++) {
g_string_append_indent (output, indent + 2);
g_string_markup_printf (output, "<point>%lf,%lf</point>\n",
outline->points[j].x,
outline->points[j].y);
}
g_string_append_indent (output, indent + 1);
g_string_markup_printf (output, "</outline>\n");
}
g_array_free (data.outline_array, FALSE);
g_string_append_indent (output, indent);
g_string_markup_printf (output, "</keyboard>\n");
}