595 lines
21 KiB
C
595 lines
21 KiB
C
#define _POSIX_C_SOURCE 200809L
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#include <stdbool.h>
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#include <string.h>
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#include <gtk/gtk.h>
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#include <vte/vte.h>
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#ifndef __GNUC__
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# define __attribute__(x)
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#endif
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static const char *url_regex = "(ftp|http)s?://[-a-zA-Z0-9.?$%&/=_~#.,:;+()]*";
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typedef enum overlay_mode {
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OVERLAY_HIDDEN = 0,
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OVERLAY_SEARCH,
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OVERLAY_RSEARCH,
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OVERLAY_COMPLETION
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} overlay_mode;
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typedef struct search_panel_info {
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GtkWidget *vte;
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GtkWidget *entry;
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GtkBin *panel;
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enum overlay_mode mode;
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} search_panel_info;
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static char *browser_cmd[3] = {NULL};
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static void launch_browser(char *url);
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static void window_title_cb(VteTerminal *vte, GtkWindow *window);
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static gboolean key_press_cb(VteTerminal *vte, GdkEventKey *event, search_panel_info *info);
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static gboolean entry_key_press_cb(GtkEntry *entry, GdkEventKey *event, search_panel_info *info);
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static gboolean position_overlay_cb(GtkBin *overlay, GtkWidget *widget, GdkRectangle *alloc);
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static gboolean button_press_cb(VteTerminal *vte, GdkEventButton *event);
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static void beep_cb(GtkWindow *window);
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static gboolean focus_cb(GtkWindow *window);
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static gboolean add_to_list_store(char *key, void *value, GtkListStore *store);
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static GtkTreeModel *create_completion_model(VteTerminal *vte);
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static void search(VteTerminal *vte, const char *pattern, bool reverse);
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static void overlay_show(search_panel_info *info, overlay_mode mode, bool complete);
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static void get_vte_padding(VteTerminal *vte, int *w, int *h);
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static char *check_match(VteTerminal *vte, int event_x, int event_y);
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static void load_config(GtkWindow *window, VteTerminal *vte,
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gboolean *dynamic_title, gboolean *urgent_on_bell,
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gboolean *clickable_url, const char **term);
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void launch_browser(char *url) {
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browser_cmd[1] = url;
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g_spawn_async(NULL, browser_cmd, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, NULL);
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}
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/* {{{ CALLBACKS */
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void window_title_cb(VteTerminal *vte, GtkWindow *window) {
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const char *t = vte_terminal_get_window_title(vte);
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gtk_window_set_title(window, t ? t : "termite");
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}
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gboolean key_press_cb(VteTerminal *vte, GdkEventKey *event, search_panel_info *info) {
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const guint modifiers = event->state & gtk_accelerator_get_default_mod_mask();
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gboolean dynamic_title = FALSE, urgent_on_bell = FALSE, clickable_url = FALSE;
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if (modifiers == (GDK_CONTROL_MASK|GDK_SHIFT_MASK)) {
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switch (gdk_keyval_to_lower(event->keyval)) {
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case GDK_KEY_c:
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vte_terminal_copy_clipboard(vte);
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return TRUE;
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case GDK_KEY_v:
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vte_terminal_paste_clipboard(vte);
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return TRUE;
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case GDK_KEY_p:
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vte_terminal_search_find_previous(vte);
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vte_terminal_copy_primary(vte);
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return TRUE;
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case GDK_KEY_n:
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vte_terminal_search_find_next(vte);
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vte_terminal_copy_primary(vte);
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return TRUE;
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case GDK_KEY_f:
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overlay_show(info, OVERLAY_SEARCH, true);
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return TRUE;
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case GDK_KEY_r:
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overlay_show(info, OVERLAY_RSEARCH, true);
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return TRUE;
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case GDK_KEY_j:
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search(vte, url_regex, false);
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return TRUE;
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case GDK_KEY_k:
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search(vte, url_regex, true);
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return TRUE;
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case GDK_KEY_Escape:
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load_config(GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(vte))),
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vte, &dynamic_title, &urgent_on_bell,
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&clickable_url, NULL);
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return TRUE;
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}
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} else if (modifiers == GDK_CONTROL_MASK && event->keyval == GDK_KEY_Tab) {
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overlay_show(info, OVERLAY_COMPLETION, true);
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return TRUE;
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}
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return FALSE;
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}
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gboolean entry_key_press_cb(GtkEntry *entry, GdkEventKey *event, search_panel_info *info) {
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gboolean ret = FALSE;
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if (event->keyval == GDK_KEY_Escape) {
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ret = TRUE;
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} else if (event->keyval == GDK_KEY_Return) {
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const char *text = gtk_entry_get_text(entry);
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switch (info->mode) {
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case OVERLAY_SEARCH:
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search(VTE_TERMINAL(info->vte), text, false);
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break;
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case OVERLAY_RSEARCH:
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search(VTE_TERMINAL(info->vte), text, true);
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break;
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case OVERLAY_COMPLETION:
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vte_terminal_feed_child(VTE_TERMINAL(info->vte), text, -1);
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break;
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case OVERLAY_HIDDEN:
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break;
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}
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ret = TRUE;
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}
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if (ret) {
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info->mode = OVERLAY_HIDDEN;
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gtk_widget_hide(GTK_WIDGET(info->panel));
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gtk_widget_grab_focus(info->vte);
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}
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return ret;
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}
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gboolean position_overlay_cb(GtkBin *overlay, GtkWidget *widget, GdkRectangle *alloc) {
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GtkWidget *vte = gtk_bin_get_child(overlay);
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int width = gtk_widget_get_allocated_width(vte);
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int height = gtk_widget_get_allocated_height(vte);
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GtkRequisition req;
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gtk_widget_get_preferred_size(widget, NULL, &req);
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alloc->x = width - req.width - 40;
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alloc->y = 0;
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alloc->width = MIN(width, req.width);
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alloc->height = MIN(height, req.height);
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return TRUE;
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}
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gboolean button_press_cb(VteTerminal *vte, GdkEventButton *event) {
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char *match = check_match(vte, (int)event->x, (int)event->y);
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if (event->button == 1 && event->type == GDK_BUTTON_PRESS && match) {
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launch_browser(match);
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g_free(match);
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return TRUE;
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}
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return FALSE;
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}
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void beep_cb(GtkWindow *window) {
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gtk_window_set_urgency_hint(window, TRUE);
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}
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gboolean focus_cb(GtkWindow *window) {
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gtk_window_set_urgency_hint(window, FALSE);
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return FALSE;
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}
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/* }}} */
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gboolean add_to_list_store(char *key,
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__attribute__((unused)) void *value,
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GtkListStore *store) {
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GtkTreeIter iter;
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gtk_list_store_append(store, &iter);
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gtk_list_store_set(store, &iter, 0, key, -1);
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return FALSE;
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}
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GtkTreeModel *create_completion_model(VteTerminal *vte) {
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GtkListStore *store = gtk_list_store_new(1, G_TYPE_STRING);
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long end_row, end_col;
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vte_terminal_get_cursor_position(vte, &end_col, &end_row);
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char *content = vte_terminal_get_text_range(vte, 0, 0, end_row, end_col,
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NULL, NULL, NULL);
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if (!content) {
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g_printerr("no content returned for completion\n");
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return GTK_TREE_MODEL(store);
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}
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char *s_ptr = content, *saveptr;
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GTree *tree = g_tree_new((GCompareFunc)strcmp);
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for (; ; s_ptr = NULL) {
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char *token = strtok_r(s_ptr, " \n\t", &saveptr);
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if (!token) {
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break;
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}
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g_tree_insert(tree, token, NULL);
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}
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g_tree_foreach(tree, (GTraverseFunc)add_to_list_store, store);
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g_tree_destroy(tree);
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g_free(content);
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return GTK_TREE_MODEL(store);
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}
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void search(VteTerminal *vte, const char *pattern, bool reverse) {
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GRegex *regex = vte_terminal_search_get_gregex(vte);
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if (regex) g_regex_unref(regex);
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regex = g_regex_new(pattern, (GRegexCompileFlags)0, (GRegexMatchFlags)0, NULL);
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vte_terminal_search_set_gregex(vte, regex);
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if (!reverse) {
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vte_terminal_search_find_next(vte);
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} else {
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vte_terminal_search_find_previous(vte);
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}
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vte_terminal_copy_primary(vte);
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}
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void overlay_show(search_panel_info *info, overlay_mode mode, bool complete) {
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if (complete) {
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GtkEntryCompletion *completion = gtk_entry_completion_new();
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gtk_entry_set_completion(GTK_ENTRY(info->entry), completion);
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g_object_unref(completion);
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GtkTreeModel *completion_model = create_completion_model(VTE_TERMINAL(info->vte));
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gtk_entry_completion_set_model(completion, completion_model);
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g_object_unref(completion_model);
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gtk_entry_completion_set_inline_selection(completion, TRUE);
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gtk_entry_completion_set_text_column(completion, 0);
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}
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gtk_entry_set_text(GTK_ENTRY(info->entry), "");
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info->mode = mode;
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gtk_widget_show(GTK_WIDGET(info->panel));
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gtk_widget_grab_focus(info->entry);
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}
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void get_vte_padding(VteTerminal *vte, int *w, int *h) {
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GtkBorder *border = NULL;
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gtk_widget_style_get(GTK_WIDGET(vte), "inner-border", &border, NULL);
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if (!border) {
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g_warning("VTE's inner-border property unavailable");
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*w = *h = 0;
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} else {
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*w = border->left + border->right;
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*h = border->top + border->bottom;
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gtk_border_free(border);
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}
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}
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char *check_match(VteTerminal *vte, int event_x, int event_y) {
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int xpad, ypad, tag;
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get_vte_padding(vte, &xpad, &ypad);
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return vte_terminal_match_check(vte,
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(event_x - ypad) / vte_terminal_get_char_width(vte),
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(event_y - ypad) / vte_terminal_get_char_height(vte),
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&tag);
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}
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/* {{{ CONFIG LOADING */
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#define MAKE_GET_CONFIG_FUNCTION(NAME, TYPE) \
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static bool get_config_ ## NAME (GKeyFile *config, const char *group, const char *key, TYPE *value) { \
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GError *error = NULL; \
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*value = g_key_file_get_ ## NAME (config, group, key, &error); \
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if (error) { \
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g_error_free(error); \
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return false; \
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} \
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return true; \
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}
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MAKE_GET_CONFIG_FUNCTION(boolean, gboolean)
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MAKE_GET_CONFIG_FUNCTION(integer, int)
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MAKE_GET_CONFIG_FUNCTION(string, char *)
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MAKE_GET_CONFIG_FUNCTION(double, double)
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static bool get_config_color(GKeyFile *config, const char *key, GdkColor *color) {
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char *cfgstr;
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bool success = false;
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if (get_config_string(config, "colors", key, &cfgstr)) {
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if (gdk_color_parse(cfgstr, color)) {
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success = true;
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} else {
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g_printerr("invalid color string: %s\n", cfgstr);
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}
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g_free(cfgstr);
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}
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return success;
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}
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static void load_config(GtkWindow *window, VteTerminal *vte,
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gboolean *dynamic_title, gboolean *urgent_on_bell,
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gboolean *clickable_url, const char **term) {
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static const char *filename = "termite.cfg";
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const char *dir = g_get_user_config_dir();
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char *path = g_build_filename(dir, filename, NULL);
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GKeyFile *config = g_key_file_new();
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if ((g_key_file_load_from_file(config, path, G_KEY_FILE_NONE, NULL) ||
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g_key_file_load_from_dirs(config, filename, (const char **)g_get_system_config_dirs(),
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NULL, G_KEY_FILE_NONE, NULL))) {
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gboolean cfgbool;
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double cfgdouble;
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int cfgint;
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char *cfgstr;
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if (term && get_config_string(config, "options", "term", &cfgstr)) {
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*term = cfgstr;
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}
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if (get_config_boolean(config, "options", "resize_grip", &cfgbool)) {
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gtk_window_set_has_resize_grip(window, cfgbool);
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}
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if (get_config_boolean(config, "options", "scroll_on_output", &cfgbool)) {
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vte_terminal_set_scroll_on_output(vte, cfgbool);
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}
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if (get_config_boolean(config, "options", "scroll_on_keystroke", &cfgbool)) {
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vte_terminal_set_scroll_on_keystroke(vte, cfgbool);
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}
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if (get_config_boolean(config, "options", "audible_bell", &cfgbool)) {
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vte_terminal_set_audible_bell(vte, cfgbool);
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}
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if (get_config_boolean(config, "options", "visible_bell", &cfgbool)) {
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vte_terminal_set_visible_bell(vte, cfgbool);
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}
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if (get_config_boolean(config, "options", "mouse_autohide", &cfgbool)) {
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vte_terminal_set_mouse_autohide(vte, cfgbool);
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}
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if (get_config_boolean(config, "options", "allow_bold", &cfgbool)) {
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vte_terminal_set_allow_bold(vte, cfgbool);
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}
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if (get_config_boolean(config, "options", "dynamic_title", &cfgbool)) {
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*dynamic_title = cfgbool;
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}
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if (get_config_boolean(config, "options", "urgent_on_bell", &cfgbool)) {
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*urgent_on_bell = cfgbool;
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}
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if (get_config_boolean(config, "options", "clickable_url", &cfgbool)) {
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*clickable_url = cfgbool;
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}
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g_free(browser_cmd[0]);
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if (get_config_string(config, "options", "browser", &cfgstr)) {
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browser_cmd[0] = cfgstr;
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} else {
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browser_cmd[0] = g_strdup(g_getenv("BROWSER"));
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if (!browser_cmd[0]) *clickable_url = false;
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}
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if (get_config_string(config, "options", "font", &cfgstr)) {
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vte_terminal_set_font_from_string(vte, cfgstr);
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g_free(cfgstr);
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}
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if (get_config_integer(config, "options", "scrollback_lines", &cfgint)) {
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vte_terminal_set_scrollback_lines(vte, cfgint);
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}
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if (get_config_string(config, "options", "cursor_blink", &cfgstr)) {
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if (!g_ascii_strcasecmp(cfgstr, "system")) {
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vte_terminal_set_cursor_blink_mode(vte, VTE_CURSOR_BLINK_SYSTEM);
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} else if (!g_ascii_strcasecmp(cfgstr, "on")) {
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vte_terminal_set_cursor_blink_mode(vte, VTE_CURSOR_BLINK_ON);
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} else if (!g_ascii_strcasecmp(cfgstr, "off")) {
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vte_terminal_set_cursor_blink_mode(vte, VTE_CURSOR_BLINK_OFF);
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}
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g_free(cfgstr);
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}
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if (get_config_string(config, "options", "cursor_shape", &cfgstr)) {
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if (!g_ascii_strcasecmp(cfgstr, "block")) {
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vte_terminal_set_cursor_shape(vte, VTE_CURSOR_SHAPE_BLOCK);
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} else if (!g_ascii_strcasecmp(cfgstr, "ibeam")) {
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vte_terminal_set_cursor_shape(vte, VTE_CURSOR_SHAPE_IBEAM);
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} else if (!g_ascii_strcasecmp(cfgstr, "underline")) {
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vte_terminal_set_cursor_shape(vte, VTE_CURSOR_SHAPE_UNDERLINE);
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}
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g_free(cfgstr);
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}
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if (get_config_string(config, "options", "icon_name", &cfgstr)) {
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gtk_window_set_icon_name(window, cfgstr);
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g_free(cfgstr);
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}
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if (get_config_double(config, "options", "transparency", &cfgdouble)) {
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vte_terminal_set_background_saturation(vte, cfgdouble);
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vte_terminal_set_opacity(vte, (guint16)(0xffff * (1 - cfgdouble)));
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}
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GdkColor color, palette[16];
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static const char *colors[8] = {"black", "red", "green", "yellow",
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"blue", "magenta", "cyan", "white"};
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bool success = true;
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for (unsigned i = 0; success && i < 8; i++) {
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GError *error = NULL;
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gsize length;
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char **pair = g_key_file_get_string_list(config, "colors", colors[i], &length, &error);
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success = false;
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if (error) {
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g_error_free(error);
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} else if (length != 2) {
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g_printerr("%s is not set to a pair of color strings\n", colors[i]);
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} else if (!gdk_color_parse(pair[0], &palette[i])) {
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g_printerr("invalid color string: %s\n", pair[0]);
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} else if (!gdk_color_parse(pair[1], &palette[i+8])) {
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g_printerr("invalid color string: %s\n", pair[1]);
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} else {
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success = true;
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}
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g_strfreev(pair);
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}
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if (success) {
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vte_terminal_set_colors(vte, NULL, NULL, palette, 16);
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}
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if (get_config_color(config, "foreground", &color)) {
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vte_terminal_set_color_foreground(vte, &color);
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}
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if (get_config_color(config, "background", &color)) {
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vte_terminal_set_color_background(vte, &color);
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}
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if (get_config_color(config, "cursor", &color)) {
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vte_terminal_set_color_cursor(vte, &color);
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}
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}
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g_free(path);
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g_key_file_free(config);
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}/*}}}*/
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int main(int argc, char **argv) {
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GError *error = NULL;
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const char *term = "vte-256color";
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gboolean dynamic_title = FALSE, urgent_on_bell = FALSE, clickable_url = FALSE;
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gboolean version = FALSE;
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GOptionContext *context = g_option_context_new(NULL);
|
|
char *role = NULL, *geometry = NULL, *execute = NULL;
|
|
const GOptionEntry entries[] = {
|
|
{"role", 'r', 0, G_OPTION_ARG_STRING, &role, "The role to use", "ROLE"},
|
|
{"geometry", 0, 0, G_OPTION_ARG_STRING, &geometry, "Window geometry", "GEOMETRY"},
|
|
{"exec", 'e', 0, G_OPTION_ARG_STRING, &execute, "Command to execute", "COMMAND"},
|
|
{"version", 'v', 0, G_OPTION_ARG_NONE, &version, "Version info", NULL},
|
|
{NULL}
|
|
};
|
|
g_option_context_add_main_entries(context, entries, NULL);
|
|
g_option_context_add_group(context, gtk_get_option_group(TRUE));
|
|
|
|
if (!g_option_context_parse(context, &argc, &argv, &error)) {
|
|
g_printerr("option parsing failed: %s\n", error->message);
|
|
return 1;
|
|
}
|
|
|
|
if (version) {
|
|
g_print("termite %s\n", TERMITE_VERSION);
|
|
return 0;
|
|
}
|
|
|
|
GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
|
|
GtkWidget *overlay = gtk_overlay_new();
|
|
GtkWidget *vte = vte_terminal_new();
|
|
|
|
GdkScreen *screen = gtk_widget_get_screen(window);
|
|
GdkVisual *visual = gdk_screen_get_rgba_visual(screen);
|
|
if (!visual) {
|
|
visual = gdk_screen_get_system_visual(screen);
|
|
}
|
|
gtk_widget_set_visual(window, visual);
|
|
|
|
if (role) {
|
|
gtk_window_set_role(GTK_WINDOW(window), role);
|
|
g_free(role);
|
|
}
|
|
|
|
char **command_argv;
|
|
char fallback[] = "/bin/sh";
|
|
char *default_argv[2] = {fallback, NULL};
|
|
|
|
if (execute) {
|
|
int argcp;
|
|
char **argvp;
|
|
g_shell_parse_argv(execute, &argcp, &argvp, &error);
|
|
if (error) {
|
|
g_printerr("Failed to parse command: %s\n", error->message);
|
|
return 1;
|
|
}
|
|
command_argv = argvp;
|
|
} else {
|
|
char *shell = vte_get_user_shell();
|
|
if (shell) default_argv[0] = shell;
|
|
command_argv = default_argv;
|
|
}
|
|
|
|
VtePty *pty = vte_terminal_pty_new(VTE_TERMINAL(vte), VTE_PTY_DEFAULT, &error);
|
|
|
|
if (!pty) {
|
|
g_printerr("Failed to create pty: %s\n", error->message);
|
|
return 1;
|
|
}
|
|
|
|
load_config(GTK_WINDOW(window), VTE_TERMINAL(vte), &dynamic_title,
|
|
&urgent_on_bell, &clickable_url, &term);
|
|
|
|
vte_terminal_set_pty_object(VTE_TERMINAL(vte), pty);
|
|
vte_pty_set_term(pty, term);
|
|
|
|
GPid ppid;
|
|
|
|
if (g_spawn_async(NULL, command_argv, NULL,
|
|
(GSpawnFlags)(G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH),
|
|
(GSpawnChildSetupFunc)vte_pty_child_setup, pty,
|
|
&ppid, &error)) {
|
|
vte_terminal_watch_child(VTE_TERMINAL(vte), ppid);
|
|
} else {
|
|
g_printerr("The new terminal's command failed to run: %s\n", error->message);
|
|
return 1;
|
|
}
|
|
|
|
GtkWidget *alignment = gtk_alignment_new(0, 0, 1, 1);
|
|
gtk_alignment_set_padding(GTK_ALIGNMENT(alignment), 5, 5, 5, 5);
|
|
gtk_overlay_add_overlay(GTK_OVERLAY(overlay), alignment);
|
|
|
|
GtkWidget *entry = gtk_entry_new();
|
|
gtk_widget_set_halign(entry, GTK_ALIGN_START);
|
|
gtk_widget_set_valign(entry, GTK_ALIGN_END);
|
|
|
|
gtk_container_add(GTK_CONTAINER(alignment), entry);
|
|
gtk_container_add(GTK_CONTAINER(overlay), vte);
|
|
gtk_container_add(GTK_CONTAINER(window), overlay);
|
|
|
|
search_panel_info info = {vte, entry, GTK_BIN(alignment), OVERLAY_HIDDEN};
|
|
|
|
g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
|
|
g_signal_connect(vte, "child-exited", G_CALLBACK(gtk_main_quit), NULL);
|
|
g_signal_connect(vte, "key-press-event", G_CALLBACK(key_press_cb), &info);
|
|
g_signal_connect(entry, "key-press-event", G_CALLBACK(entry_key_press_cb), &info);
|
|
g_signal_connect(overlay, "get-child-position", G_CALLBACK(position_overlay_cb), NULL);
|
|
|
|
if (clickable_url) {
|
|
int tmp = vte_terminal_match_add_gregex(VTE_TERMINAL(vte),
|
|
g_regex_new(url_regex,
|
|
G_REGEX_CASELESS,
|
|
G_REGEX_MATCH_NOTEMPTY,
|
|
NULL),
|
|
(GRegexMatchFlags)0);
|
|
vte_terminal_match_set_cursor_type(VTE_TERMINAL(vte), tmp, GDK_HAND2);
|
|
g_signal_connect(vte, "button-press-event", G_CALLBACK(button_press_cb), NULL);
|
|
}
|
|
|
|
if (urgent_on_bell) {
|
|
g_signal_connect_swapped(vte, "beep", G_CALLBACK(beep_cb), window);
|
|
g_signal_connect(window, "focus-in-event", G_CALLBACK(focus_cb), NULL);
|
|
g_signal_connect(window, "focus-out-event", G_CALLBACK(focus_cb), NULL);
|
|
}
|
|
|
|
if (dynamic_title) {
|
|
window_title_cb(VTE_TERMINAL(vte), GTK_WINDOW(window));
|
|
g_signal_connect(vte, "window-title-changed", G_CALLBACK(window_title_cb), window);
|
|
}
|
|
|
|
if (geometry) {
|
|
gtk_widget_show_all(overlay);
|
|
gtk_widget_show_all(alignment);
|
|
if (!gtk_window_parse_geometry(GTK_WINDOW(window), geometry)) {
|
|
g_printerr("Invalid geometry string: %s\n", geometry);
|
|
}
|
|
g_free(geometry);
|
|
}
|
|
|
|
gtk_widget_grab_focus(vte);
|
|
gtk_widget_show_all(window);
|
|
gtk_widget_hide(alignment);
|
|
gtk_main();
|
|
return 0;
|
|
}
|
|
|
|
// vim: et:sts=4:sw=4:cino=(0
|