initial implementation of keyboard selection
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				@ -22,6 +22,7 @@ KEYBINDINGS
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* ``ctrl-shift-n``: jump to next search match
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* ``ctrl-shift-p``: jump to previous search match
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* ``ctrl-tab``: start scrollback completion
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* ``ctrl-shift-space``: start selection mode
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During scrollback search, the current selection is changed to the search match
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and copied to the PRIMARY clipboard buffer.
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@ -29,6 +30,11 @@ and copied to the PRIMARY clipboard buffer.
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With the scrollback search/completion widget open, up/down cycle through
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completions, escape closes the widget and enter accepts the input.
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TEXT SELECTION MODE
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-------------------
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* ``escape``: deactivate selection mode
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TODO
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====
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										56
									
								
								termite.c
									
									
									
									
									
								
							
							
						
						
									
										56
									
								
								termite.c
									
									
									
									
									
								
							@ -1,11 +1,13 @@
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#define _POSIX_C_SOURCE 200809L
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <gdk/gdkx.h>
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#include <gtk/gtk.h>
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#include <vte/vte.h>
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#include <vte/vteaccess.h>
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#ifndef __GNUC__
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# define __attribute__(x)
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@ -20,11 +22,19 @@ typedef enum overlay_mode {
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    OVERLAY_COMPLETION
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} overlay_mode;
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typedef struct select_info {
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    AtkText *text;
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    bool mode;
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    int begin;
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    int end;
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} select_info;
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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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    GtkWidget *panel;
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    enum overlay_mode mode;
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    select_info select;
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} search_panel_info;
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static char *browser_cmd[3] = {NULL};
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@ -60,11 +70,54 @@ void window_title_cb(VteTerminal *vte, GtkWindow *window) {
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    gtk_window_set_title(window, t ? t : "termite");
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}
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static void update_selection(VteTerminal *vte, select_info *select) {
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    int n_selections = atk_text_get_n_selections(select->text);
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    if (n_selections) {
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        if (n_selections == 1) {
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            atk_text_remove_selection(select->text, 0);
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        } else {
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            g_printerr("more than one selection!");
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            exit(EXIT_FAILURE);
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        }
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    }
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    atk_text_add_selection(select->text,
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                           MIN(select->begin, select->end),
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                           MAX(select->begin, select->end));
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    vte_terminal_copy_primary(vte);
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}
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static void start_selection(select_info *select) {
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    select->mode = true;
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    select->begin = select->end = atk_text_get_caret_offset(select->text);
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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 (info->select.mode) {
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        switch (event->keyval) {
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            case GDK_KEY_h:
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                info->select.end--;
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                update_selection(vte, &info->select);
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                break;
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            case GDK_KEY_l:
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                info->select.end++;
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                update_selection(vte, &info->select);
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                break;
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            case GDK_KEY_Escape:
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                info->select.mode = false;
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                break;
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        }
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        return TRUE;
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    }
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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_space:
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                start_selection(&info->select);
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                return TRUE;
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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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@ -559,7 +612,8 @@ int main(int argc, char **argv) {
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    gtk_container_add(GTK_CONTAINER(overlay), vte);
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    gtk_container_add(GTK_CONTAINER(window), overlay);
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    search_panel_info info = {vte, entry, alignment, OVERLAY_HIDDEN};
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    select_info select = {ATK_TEXT(vte_terminal_accessible_new(VTE_TERMINAL(vte))), false, 0, 0};
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    search_panel_info info = {vte, entry, alignment, OVERLAY_HIDDEN, select};
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    g_signal_connect(window,  "destroy",            G_CALLBACK(gtk_main_quit), NULL);
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    g_signal_connect(vte,     "child-exited",       G_CALLBACK(gtk_main_quit), NULL);
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