We know where the text caret is
This commit is contained in:
commit
5ec169278f
24
meson.build
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24
meson.build
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@ -0,0 +1,24 @@
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project('at-emoji', 'c',
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version: '0.0.1',
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meson_version: '>= 1.0.0',
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)
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cc = meson.get_compiler('c')
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ate_dependencies = [
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dependency('atspi-2', version: '>= 2.50.0'),
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dependency('glib-2.0', version: '>=2.44'),
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dependency('gtk+-3.0', version: '>=3.24.43'),
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cc.find_library('m', required: false)
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]
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ate_sources = [
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'src/main.c',
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]
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executable('at-emoji',
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sources: ate_sources,
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dependencies: ate_dependencies,
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install: true
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)
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234
src/main.c
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234
src/main.c
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <atspi/atspi.h>
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#include <gtk/gtk.h>
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AtspiAccessible *find_active_window()
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{
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AtspiAccessible *active = NULL;
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for (gint x = 0; x < atspi_get_desktop_count(); x++) {
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AtspiAccessible *desktop = atspi_get_desktop(x);
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for (gint i = 0; i < atspi_accessible_get_child_count(desktop, NULL); i++) {
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AtspiAccessible *app = atspi_accessible_get_child_at_index(desktop, i, NULL);
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g_print("\t%s: %d windows\n", atspi_accessible_get_name(app, NULL),
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atspi_accessible_get_child_count(app, NULL));
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for (gint j = 0; j < atspi_accessible_get_child_count(app, NULL); j++) {
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AtspiAccessible *wnd = atspi_accessible_get_child_at_index(app, j, NULL);
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AtspiStateSet *wst = atspi_accessible_get_state_set(wnd);
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if (atspi_state_set_contains(wst, ATSPI_STATE_ACTIVE)) {
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g_print("Active window: %s\n", atspi_accessible_get_name(app, NULL), 0);
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active = wnd;
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g_object_unref(wst);
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g_object_unref(app);
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g_object_unref(desktop);
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return active;
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}
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g_object_unref(wst);
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g_object_unref(wnd);
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}
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g_object_unref(app);
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}
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g_object_unref(desktop);
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}
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return active;
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}
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AtspiAccessible *find_focused_text_BAD(AtspiAccessible *active)
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{
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AtspiStateSet *wst = atspi_accessible_get_state_set(active);
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if (!(atspi_state_set_contains(wst, ATSPI_STATE_SHOWING) &&
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atspi_state_set_contains(wst, ATSPI_STATE_VISIBLE))) {
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g_object_unref(wst);
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return NULL;
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}
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g_object_unref(wst);
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for (gint j = 0; j < atspi_accessible_get_child_count(active, NULL); j++) {
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AtspiAccessible *chld = atspi_accessible_get_child_at_index(active, j, NULL);
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AtspiText *txt = atspi_accessible_get_text_iface(chld);
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if (txt) {
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g_object_unref(txt);
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return chld;
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}
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AtspiAccessible *x = find_focused_text_BAD(chld);
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if (x) {
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g_object_unref(chld);
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return x;
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}
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g_object_unref(chld);
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}
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return NULL;
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}
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AtspiAccessible *find_focused_text(AtspiAccessible *active)
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{
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AtspiCollection *things = atspi_accessible_get_collection_iface(active);
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if (!things) { // Qt is bad
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g_print("No Collection implemented! BAD search engaged\n");
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return find_focused_text_BAD(active);
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}
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AtspiAccessible *text = NULL;
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g_print("(application.length)=(%d)\n", atspi_accessible_get_child_count(active, NULL));
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if (things) {
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AtspiStateType appd_state = ATSPI_STATE_FOCUSED;
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GArray *match_states = g_array_new(TRUE, TRUE, sizeof(appd_state));
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g_array_append_val(match_states, appd_state);
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gchar *appd_iface = "Text";
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GArray *match_ifaces = g_array_new(TRUE, TRUE, sizeof(appd_iface));
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g_array_append_val(match_ifaces, appd_iface);
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AtspiStateSet *match_stateset = atspi_state_set_new(match_states);
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g_array_unref(match_states);
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AtspiMatchRule *match_rule = atspi_match_rule_new(
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match_stateset, ATSPI_Collection_MATCH_ALL, NULL, ATSPI_Collection_MATCH_ANY, NULL,
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ATSPI_Collection_MATCH_ANY, match_ifaces, ATSPI_Collection_MATCH_ALL, FALSE);
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g_array_unref(match_ifaces);
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GArray *matches = atspi_collection_get_matches(things, match_rule,
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ATSPI_Collection_SORT_ORDER_CANONICAL, 0, TRUE, NULL);
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g_object_unref(match_rule);
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g_print("(#matches)=(%d)\n", matches->len);
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if (!matches->len) {
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g_array_unref(matches);
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return text;
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}
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text = g_array_index(matches, AtspiAccessible *, 0);
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g_array_unref(matches);
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}
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return text;
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}
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AtspiPoint get_text_caret_pos(AtspiAccessible *text)
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{
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AtspiText *tiface = atspi_accessible_get_text_iface(text);
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gint caret_pos = atspi_text_get_caret_offset(tiface, NULL);
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AtspiRect *trect =
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atspi_text_get_range_extents(tiface, caret_pos, caret_pos + 1, ATSPI_COORD_TYPE_SCREEN, NULL);
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gint x = trect->x, y = trect->y;
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g_free(trect);
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if (x == 0 && y == 0) { // Qt is bad
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g_print("Text returned bogus caret position! Trying inward extent.\n");
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AtspiRect *trect =
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atspi_text_get_range_extents(tiface, caret_pos - 1, caret_pos, ATSPI_COORD_TYPE_SCREEN, NULL);
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x = trect->x + trect->width;
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y = trect->y;
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gchar *txt = atspi_text_get_text(tiface, caret_pos - 1, caret_pos, NULL);
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if (g_strcmp0(txt, "\n") == 0) {
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AtspiRect *trect1 =
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atspi_text_get_range_extents(tiface, 0, caret_pos - 1, ATSPI_COORD_TYPE_SCREEN, NULL);
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x = trect1->x;
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y = trect->y + trect->height;
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g_free(trect1);
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}
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g_free(txt);
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g_free(trect);
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}
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g_object_unref(tiface);
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if (x == 0 && y == 0) { // Qt is bad
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g_print("Text returned bogus caret position (again)! Trying component position.\n");
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AtspiComponent *cface = atspi_accessible_get_component_iface(text);
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AtspiPoint *point = atspi_component_get_position(cface, ATSPI_COORD_TYPE_SCREEN, NULL);
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x = point->x;
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y = point->y;
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g_free(point);
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g_object_unref(cface);
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}
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return (AtspiPoint){x, y};
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}
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static void activate(GtkApplication *app, gpointer user_data)
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{
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GtkWidget *window;
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window = gtk_window_new(GTK_WINDOW_POPUP);
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gtk_window_set_title(GTK_WINDOW(window), "Window");
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gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);
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gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_NONE);
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gint w, h;
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gtk_window_get_size(GTK_WINDOW(window), &w, &h);
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printf("%i, %i\n", w, h);
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g_print("scanning apps...\n");
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AtspiAccessible *active = find_active_window();
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if (!active) {
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g_print("No active window! skedaddling outta here\n");
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return;
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}
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AtspiAccessible *text = find_focused_text(active);
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if (!text) {
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g_print("No focused text! skedaddling outta here\n");
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return;
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}
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AtspiPoint trect = get_text_caret_pos(text);
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g_print("(x,y)=(%d,%d)\n", trect.x, trect.y);
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gtk_window_move(GTK_WINDOW(window), trect.x - w / 2, trect.y - h);
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g_object_unref(active);
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gtk_widget_show_all(window);
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}
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int main(int argc, char **argv)
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{
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atspi_init();
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GtkApplication *app = gtk_application_new("net.kimapr.AtEmoji", G_APPLICATION_FLAGS_NONE);
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g_application_hold(G_APPLICATION(app));
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g_signal_connect(app, "activate", G_CALLBACK(activate), NULL);
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int status = g_application_run(G_APPLICATION(app), argc, argv);
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g_object_unref(app);
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return status;
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}
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