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layout: Use outlines for key bounds

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This commit is contained in:
Dorota Czaplejewicz
2019-07-01 10:34:38 +00:00
parent b8eb7752e7
commit 17671a3b08
4 changed files with 73 additions and 29 deletions
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37
eek/eek-section.c
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@ -480,6 +480,38 @@ eek_section_create_key (EekSection *section,
row);
}
static void keysizer(EekElement *element, gpointer user_data) {
EekKey *key = EEK_KEY(element);
EekKeyboard *keyboard = EEK_KEYBOARD(user_data);
uint oref = eek_key_get_oref (key);
EekOutline *outline = eek_keyboard_get_outline (keyboard, oref);
if (outline && outline->num_points > 0) {
double minx = outline->points[0].x;
double maxx = minx;
double miny = outline->points[0].y;
double maxy = miny;
for (uint i = 1; i < outline->num_points; i++) {
EekPoint p = outline->points[i];
if (p.x < minx) {
minx = p.x;
} else if (p.x > maxx) {
maxx = p.x;
}
if (p.y < miny) {
miny = p.y;
} else if (p.y > maxy) {
maxy = p.y;
}
}
EekBounds key_bounds = {0};
eek_element_get_bounds(element, &key_bounds);
key_bounds.height = maxy - miny;
key_bounds.width = maxx - minx;
eek_element_set_bounds(element, &key_bounds);
}
}
struct keys_info {
uint count;
double total_width;
@ -509,14 +541,15 @@ static void keyplacer(EekElement *element, gpointer user_data) {
*current_offset += key_bounds.width + keyspacing;
}
void eek_section_place_keys(EekSection *section)
void eek_section_place_keys(EekSection *section, EekKeyboard *keyboard)
{
eek_container_foreach_child(EEK_CONTAINER(section), keysizer, keyboard);
struct keys_info keyinfo = {0};
eek_container_foreach_child(EEK_CONTAINER(section), keycounter, &keyinfo);
EekBounds section_bounds = {0};
eek_element_get_bounds(EEK_ELEMENT(section), &section_bounds);
// FIXME: find a way to center buttons
double key_offset = (section_bounds.width - (keyinfo.total_width + (keyinfo.count - 1) * keyspacing)) / 2;
eek_container_foreach_child(EEK_CONTAINER(section), keyplacer, &key_offset);

2
eek/eek-section.h
View File

@ -127,7 +127,7 @@ EekKey *eek_section_create_key (EekSection *section,
EekKey *eek_section_find_key_by_keycode (EekSection *section,
guint keycode);
void eek_section_place_keys (EekSection *section);
void eek_section_place_keys (EekSection *section, EekKeyboard *keyboard);
G_END_DECLS
#endif /* EEK_SECTION_H */

45
eek/eek-xml-layout.c
View File

@ -510,8 +510,6 @@ geometry_end_element_callback (GMarkupParseContext *pcontext,
g_slist_free1 (head);
if (g_strcmp0 (element_name, "section") == 0) {
// Sections are rows now. Gather up all the keys and adjust their bounds.
eek_section_place_keys(data->section);
data->section = NULL;
data->num_rows = 0;
return;
@ -1138,13 +1136,22 @@ eek_xml_keyboard_desc_free (EekXmlKeyboardDesc *desc)
g_slice_free (EekXmlKeyboardDesc, desc);
}
struct place_data {
double current_offset;
EekKeyboard *keyboard;
};
static void section_placer(EekElement *element, gpointer user_data) {
double *current_offset = user_data;
struct place_data *data = user_data;
// Sections are rows now. Gather up all the keys and adjust their bounds.
eek_section_place_keys(EEK_SECTION(element), EEK_KEYBOARD(data->keyboard));
EekBounds section_bounds = {0};
eek_element_get_bounds(element, &section_bounds);
section_bounds.y = *current_offset;
section_bounds.y = data->current_offset;
eek_element_set_bounds(element, &section_bounds);
*current_offset += section_bounds.height;
data->current_offset += section_bounds.height;
}
static void section_counter(EekElement *element, gpointer user_data) {
@ -1187,18 +1194,6 @@ parse_geometry (const gchar *path, EekKeyboard *keyboard, GError **error)
return FALSE;
}
/* Order rows */
// TODO: do this only for rows without bounds
double current_offset = 0;
eek_container_foreach_child(EEK_CONTAINER(keyboard), section_placer, &current_offset);
double total_height = 0;
eek_container_foreach_child(EEK_CONTAINER(keyboard), section_counter, &total_height);
EekBounds keyboard_bounds = {0};
eek_element_get_bounds(EEK_ELEMENT(keyboard), &keyboard_bounds);
keyboard_bounds.height = total_height;
eek_element_set_bounds(EEK_ELEMENT(keyboard), &keyboard_bounds);
/* Resolve outline references. */
oref_hash = g_hash_table_new (g_str_hash, g_str_equal);
g_hash_table_iter_init (&iter, data->oref_outline_hash);
@ -1218,6 +1213,22 @@ parse_geometry (const gchar *path, EekKeyboard *keyboard, GError **error)
}
g_hash_table_destroy (oref_hash);
/* Order rows */
// This needs to be done after outlines, because outlines define key sizes
// TODO: do this only for rows without bounds
struct place_data placer_data = {
.current_offset = 0,
.keyboard = keyboard,
};
eek_container_foreach_child(EEK_CONTAINER(keyboard), section_placer, &placer_data);
double total_height = 0;
eek_container_foreach_child(EEK_CONTAINER(keyboard), section_counter, &total_height);
EekBounds keyboard_bounds = {0};
eek_element_get_bounds(EEK_ELEMENT(keyboard), &keyboard_bounds);
keyboard_bounds.height = total_height;
eek_element_set_bounds(EEK_ELEMENT(keyboard), &keyboard_bounds);
geometry_parse_data_free (data);
return TRUE;
}