int active;
uint32_t cursor;
uint32_t anchor;
+ char *preedit_text;
+ uint32_t preedit_cursor;
struct text_model *model;
struct text_layout *layout;
};
{
cairo_text_extents_t extents;
int i;
+ double d;
+
+ if (layout->num_glyphs == 0)
+ return 0;
cairo_scaled_font_glyph_extents(layout->font,
layout->glyphs, layout->num_glyphs,
&extents);
- for (i = 1; i < layout->num_glyphs; i++) {
- if (layout->glyphs[i].x >= x) {
- return i - 1;
- }
+ if (x < 0)
+ return 0;
+
+ for (i = 0; i < layout->num_glyphs - 1; ++i) {
+ d = layout->glyphs[i + 1].x - layout->glyphs[i].x;
+ if (x < layout->glyphs[i].x + d/2)
+ return i;
}
- if (x >= layout->glyphs[layout->num_glyphs - 1].x && x < extents.width)
+ d = extents.width - layout->glyphs[layout->num_glyphs - 1].x;
+ if (x < layout->glyphs[layout->num_glyphs - 1].x + d/2)
return layout->num_glyphs - 1;
return layout->num_glyphs;
uint32_t button,
enum wl_pointer_button_state state, void *data);
static void text_entry_insert_at_cursor(struct text_entry *entry, const char *text);
+static void text_entry_set_preedit(struct text_entry *entry,
+ const char *preedit_text,
+ int preedit_cursor);
+static void text_entry_delete_text(struct text_entry *entry,
+ uint32_t index, uint32_t length);
+static void text_entry_delete_selected_text(struct text_entry *entry);
static void
text_model_commit_string(void *data,
{
struct text_entry *entry = data;
- if (index > strlen(text)) {
+ if (index > strlen(text))
fprintf(stderr, "Invalid cursor index %d\n", index);
- index = strlen(text);
- }
+ text_entry_delete_selected_text(entry);
text_entry_insert_at_cursor(entry, text);
widget_schedule_redraw(entry->widget);
const char *text,
uint32_t index)
{
+ struct text_entry *entry = data;
+
+ if (index > strlen(text)) {
+ fprintf(stderr, "Invalid cursor index %d\n", index);
+ index = strlen(text);
+ }
+
+ text_entry_delete_selected_text(entry);
+ text_entry_set_preedit(entry, text, index);
+
+ widget_schedule_redraw(entry->widget);
+}
+
+static void
+text_model_delete_surrounding_text(void *data,
+ struct text_model *text_model,
+ int32_t index,
+ uint32_t length)
+{
+ struct text_entry *entry = data;
+ uint32_t cursor_index = index + entry->cursor;
+
+ if (cursor_index > strlen(entry->text)) {
+ fprintf(stderr, "Invalid cursor index %d\n", index);
+ return;
+ }
+
+ if (cursor_index + length > strlen(entry->text)) {
+ fprintf(stderr, "Invalid length %d\n", length);
+ return;
+ }
+
+ if (length == 0)
+ return;
+
+ text_entry_delete_text(entry, cursor_index, length);
}
static void
static void
text_model_key(void *data,
- struct text_model *text_model)
+ struct text_model *text_model,
+ uint32_t key,
+ uint32_t state)
{
+ struct text_entry *entry = data;
+ const char *state_label;
+ const char *key_label = "released";
+
+ if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
+ state_label = "pressed";
+ }
+
+ switch (key) {
+ case XKB_KEY_Tab:
+ key_label = "Tab";
+ break;
+ case XKB_KEY_KP_Enter:
+ key_label = "Enter";
+ break;
+ case XKB_KEY_Left:
+ if (entry->cursor > 0) {
+ entry->cursor--;
+ entry->anchor = entry->cursor;
+ widget_schedule_redraw(entry->widget);
+ }
+ break;
+ case XKB_KEY_Right:
+ if (entry->cursor < strlen(entry->text)) {
+ entry->cursor++;
+ entry->anchor = entry->cursor;
+ widget_schedule_redraw(entry->widget);
+ }
+ break;
+ default:
+ key_label = "Unknown";
+ }
+
+ fprintf(stderr, "%s key was %s.\n", key_label, state_label);
}
static void
}
static void
-text_model_activated(void *data,
- struct text_model *text_model)
+text_model_enter(void *data,
+ struct text_model *text_model,
+ struct wl_surface *surface)
{
struct text_entry *entry = data;
+ if (surface != window_get_wl_surface(entry->window))
+ return;
+
entry->active = 1;
widget_schedule_redraw(entry->widget);
}
static void
-text_model_deactivated(void *data,
- struct text_model *text_model)
+text_model_leave(void *data,
+ struct text_model *text_model)
{
struct text_entry *entry = data;
static const struct text_model_listener text_model_listener = {
text_model_commit_string,
text_model_preedit_string,
+ text_model_delete_surrounding_text,
text_model_preedit_styling,
text_model_key,
text_model_selection_replacement,
text_model_direction,
text_model_locale,
- text_model_activated,
- text_model_deactivated
+ text_model_enter,
+ text_model_leave
};
static struct text_entry*
entry->active = 0;
entry->cursor = strlen(text);
entry->anchor = entry->cursor;
+ entry->preedit_text = NULL;
+ entry->preedit_cursor = 0;
entry->model = text_model_factory_create_text_model(editor->text_model_factory);
text_model_add_listener(entry->model, &text_model_listener, entry);
}
static void
+text_entry_update_layout(struct text_entry *entry)
+{
+ char *text;
+
+ assert(((unsigned int)entry->cursor) <= strlen(entry->text) +
+ (entry->preedit_text ? strlen(entry->preedit_text) : 0));
+
+ if (!entry->preedit_text) {
+ text_layout_set_text(entry->layout, entry->text);
+ return;
+ }
+
+ text = malloc(strlen(entry->text) + strlen(entry->preedit_text) + 1);
+ strncpy(text, entry->text, entry->cursor);
+ strcpy(text + entry->cursor, entry->preedit_text);
+ strcpy(text + entry->cursor + strlen(entry->preedit_text),
+ entry->text + entry->cursor);
+
+ text_layout_set_text(entry->layout, text);
+ free(text);
+
+ widget_schedule_redraw(entry->widget);
+
+ text_model_set_surrounding_text(entry->model,
+ entry->text,
+ entry->cursor,
+ entry->anchor);
+}
+
+static void
text_entry_insert_at_cursor(struct text_entry *entry, const char *text)
{
char *new_text = malloc(strlen(entry->text) + strlen(text) + 1);
entry->cursor += strlen(text);
entry->anchor += strlen(text);
- text_layout_set_text(entry->layout, entry->text);
+ text_entry_update_layout(entry);
+}
+
+static void
+text_entry_set_preedit(struct text_entry *entry,
+ const char *preedit_text,
+ int preedit_cursor)
+{
+ if (entry->preedit_text) {
+ free(entry->preedit_text);
+ entry->preedit_text = NULL;
+ entry->preedit_cursor = 0;
+ }
+
+ if (!preedit_text)
+ return;
+
+ entry->preedit_text = strdup(preedit_text);
+ entry->preedit_cursor = preedit_cursor;
+
+ text_entry_update_layout(entry);
}
static void
{
entry->cursor = text_layout_xy_to_index(entry->layout, x, y);
+ text_model_reset(entry->model);
+
+ if (entry->cursor >= entry->preedit_cursor) {
+ entry->cursor -= entry->preedit_cursor;
+ }
+
+ text_entry_update_layout(entry);
+
widget_schedule_redraw(entry->widget);
}
}
static void
+text_entry_delete_text(struct text_entry *entry,
+ uint32_t index, uint32_t length)
+{
+ if (entry->cursor > index)
+ entry->cursor -= length;
+
+ entry->anchor = entry->cursor;
+
+ entry->text[index] = '\0';
+ strcat(entry->text, entry->text + index + length);
+
+ text_entry_update_layout(entry);
+
+ widget_schedule_redraw(entry->widget);
+}
+
+static void
+text_entry_delete_selected_text(struct text_entry *entry)
+{
+ uint32_t start_index = entry->anchor < entry->cursor ? entry->anchor : entry->cursor;
+ uint32_t end_index = entry->anchor < entry->cursor ? entry->cursor : entry->anchor;
+
+ if (entry->anchor == entry->cursor)
+ return;
+
+ text_entry_delete_text(entry, start_index, end_index - start_index);
+
+ entry->anchor = entry->cursor;
+}
+
+static void
text_entry_draw_selection(struct text_entry *entry, cairo_t *cr)
{
cairo_text_extents_t extents;
cairo_save (cr);
- cairo_set_source_rgba(cr, 0.0, 0.0, 1.0, 1.0);
+ cairo_set_source_rgba(cr, 0.3, 0.3, 1.0, 0.5);
cairo_rectangle(cr,
start.x, extents.y_bearing + extents.height + 2,
end.x - start.x, -extents.height - 4);
cairo_rectangle_t cursor_pos;
text_layout_extents(entry->layout, &extents);
- text_layout_get_cursor_pos(entry->layout, entry->cursor, &cursor_pos);
+ text_layout_get_cursor_pos(entry->layout,
+ entry->cursor + entry->preedit_cursor,
+ &cursor_pos);
cairo_set_line_width(cr, 1.0);
cairo_move_to(cr, cursor_pos.x, extents.y_bearing + extents.height + 2);
}
static void
+text_entry_draw_preedit(struct text_entry *entry, cairo_t *cr)
+{
+ cairo_text_extents_t extents;
+ cairo_rectangle_t start;
+ cairo_rectangle_t end;
+
+ if (!entry->preedit_text)
+ return;
+
+ text_layout_extents(entry->layout, &extents);
+
+ text_layout_index_to_pos(entry->layout, entry->cursor, &start);
+ text_layout_index_to_pos(entry->layout,
+ entry->cursor + strlen(entry->preedit_text),
+ &end);
+
+ cairo_save (cr);
+
+ cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0);
+ cairo_rectangle(cr,
+ start.x, 0,
+ end.x - start.x, 1);
+ cairo_fill(cr);
+
+ cairo_restore (cr);
+}
+
+static const int text_offset_left = 10;
+
+static void
text_entry_redraw_handler(struct widget *widget, void *data)
{
struct text_entry *entry = data;
cairo_set_source_rgba(cr, 0, 0, 0, 1);
- cairo_translate(cr, 10, allocation.height / 2);
+ cairo_translate(cr, text_offset_left, allocation.height / 2);
text_layout_draw(entry->layout, cr);
text_entry_draw_selection(entry, cr);
text_entry_draw_cursor(entry, cr);
+ text_entry_draw_preedit(entry, cr);
+
cairo_pop_group_to_source(cr);
cairo_paint(cr);
widget_get_allocation(entry->widget, &allocation);
text_entry_set_cursor_position(entry,
- x - allocation.x,
- y - allocation.y);
+ x - allocation.x - text_offset_left,
+ y - allocation.y - text_offset_left);
return CURSOR_IBEAM;
}
}
text_entry_set_cursor_position(entry,
- x - allocation.x,
- y - allocation.y);
+ x - allocation.x - text_offset_left,
+ y - allocation.y - text_offset_left);
if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
struct wl_seat *seat = input_get_seat(input);
text_entry_activate(entry, seat);
text_entry_set_anchor_position(entry,
- x - allocation.x,
- y - allocation.y);
+ x - allocation.x - text_offset_left,
+ y - allocation.y - text_offset_left);
widget_set_motion_handler(entry->widget, text_entry_motion_handler);
} else {
}
static void
-global_handler(struct wl_display *display, uint32_t id,
+global_handler(struct display *display, uint32_t name,
const char *interface, uint32_t version, void *data)
{
struct editor *editor = data;
if (!strcmp(interface, "text_model_factory")) {
- editor->text_model_factory = wl_display_bind(display, id,
- &text_model_factory_interface);
+ editor->text_model_factory =
+ display_bind(display, name,
+ &text_model_factory_interface, 1);
}
}
fprintf(stderr, "failed to create display: %m\n");
return -1;
}
- wl_display_add_global_listener(display_get_display(editor.display),
- global_handler, &editor);
+ display_set_user_data(editor.display, &editor);
+ display_set_global_handler(editor.display, global_handler);
editor.window = window_create(editor.display);
editor.widget = frame_create(editor.window, &editor);
editor.entry = text_entry_create(&editor, "Entry");
editor.editor = text_entry_create(&editor, "Editor");
+ text_entry_set_preedit(editor.editor, "preedit", strlen("preedit"));
window_set_title(editor.window, "Text Editor");
projects / profile / ivi / weston.git / blobdiff