termite/termite.c

451 lines
15 KiB
C

#define _POSIX_C_SOURCE 200809L
#include <stdbool.h>
#include <string.h>
#include <gtk/gtk.h>
#include <vte/vte.h>
#include "config.h"
#define CONCAT(X, Y) X ## Y
#define CONCAT2(X, Y) CONCAT(X, Y)
#define KEY(X) CONCAT(GDK_KEY_, X)
#ifndef __GNUC__
# define __attribute__(x)
#endif
enum overlay_mode {
OVERLAY_HIDDEN = 0,
OVERLAY_SEARCH,
OVERLAY_RSEARCH,
OVERLAY_COMPLETION
};
typedef struct search_panel_info {
GtkWidget *vte;
GtkWidget *entry;
GtkBin *panel;
enum overlay_mode mode;
} search_panel_info;
static gboolean add_to_list_store(char *key,
__attribute__((unused)) void *value,
GtkListStore *store) {
GtkTreeIter iter;
gtk_list_store_append(store, &iter);
gtk_list_store_set(store, &iter, 0, key, -1);
return FALSE;
}
static GtkTreeModel *create_completion_model(VteTerminal *vte) {
GtkListStore *store = gtk_list_store_new(1, G_TYPE_STRING);
glong end_row, end_col;
vte_terminal_get_cursor_position(vte, &end_col, &end_row);
gchar *content = vte_terminal_get_text_range(vte, 0, 0, end_row, end_col,
NULL, NULL, NULL);
if (!content) {
g_printerr("no content returned for completion");
return GTK_TREE_MODEL(store);
}
char *s_ptr = content, *saveptr;
GTree *tree = g_tree_new((GCompareFunc)strcmp);
for (; ; s_ptr = NULL) {
char *token = strtok_r(s_ptr, " \n\t", &saveptr);
if (!token) {
break;
}
g_tree_insert(tree, token, NULL);
}
g_tree_foreach(tree, (GTraverseFunc)add_to_list_store, store);
g_tree_destroy(tree);
g_free(content);
return GTK_TREE_MODEL(store);
}
static void search(VteTerminal *vte, const char *pattern, bool reverse) {
GRegex *regex = vte_terminal_search_get_gregex(vte);
if (regex) g_regex_unref(regex);
regex = g_regex_new(pattern, (GRegexCompileFlags)0, (GRegexMatchFlags)0, NULL);
vte_terminal_search_set_gregex(vte, regex);
if (!reverse) {
vte_terminal_search_find_next(vte);
} else {
vte_terminal_search_find_previous(vte);
}
vte_terminal_copy_primary(vte);
}
static gboolean entry_key_press_cb(GtkEntry *entry, GdkEventKey *event, search_panel_info *info) {
gboolean ret = FALSE;
if (event->keyval == GDK_KEY_Escape) {
ret = TRUE;
} else if (event->keyval == GDK_KEY_Return) {
const gchar *text = gtk_entry_get_text(entry);
switch (info->mode) {
case OVERLAY_SEARCH:
search(VTE_TERMINAL(info->vte), text, false);
break;
case OVERLAY_RSEARCH:
search(VTE_TERMINAL(info->vte), text, true);
break;
case OVERLAY_COMPLETION:
vte_terminal_feed_child(VTE_TERMINAL(info->vte), text, -1);
break;
case OVERLAY_HIDDEN:
break;
}
ret = TRUE;
}
if (ret) {
info->mode = OVERLAY_HIDDEN;
gtk_widget_hide(GTK_WIDGET(info->panel));
gtk_widget_grab_focus(info->vte);
}
return ret;
}
static void overlay_show(search_panel_info *info, enum overlay_mode mode, bool complete) {
if (complete) {
GtkEntryCompletion *completion = gtk_entry_completion_new();
gtk_entry_set_completion(GTK_ENTRY(info->entry), completion);
g_object_unref(completion);
GtkTreeModel *completion_model = create_completion_model(VTE_TERMINAL(info->vte));
gtk_entry_completion_set_model(completion, completion_model);
g_object_unref(completion_model);
gtk_entry_completion_set_inline_selection(completion, TRUE);
gtk_entry_completion_set_text_column(completion, 0);
}
gtk_entry_set_text(GTK_ENTRY(info->entry), "");
info->mode = mode;
gtk_widget_show(GTK_WIDGET(info->panel));
gtk_widget_grab_focus(info->entry);
}
static gboolean key_press_cb(VteTerminal *vte, GdkEventKey *event, search_panel_info *info) {
const guint modifiers = event->state & gtk_accelerator_get_default_mod_mask();
if (modifiers == (GDK_CONTROL_MASK|GDK_SHIFT_MASK)) {
switch (gdk_keyval_to_lower(event->keyval)) {
case KEY(KEY_COPY):
vte_terminal_copy_clipboard(vte);
return TRUE;
case KEY(KEY_PASTE):
vte_terminal_paste_clipboard(vte);
return TRUE;
case KEY(KEY_PREV):
vte_terminal_search_find_previous(vte);
vte_terminal_copy_primary(vte);
return TRUE;
case KEY(KEY_NEXT):
vte_terminal_search_find_next(vte);
vte_terminal_copy_primary(vte);
return TRUE;
case KEY(KEY_SEARCH):
overlay_show(info, OVERLAY_SEARCH, true);
return TRUE;
case KEY(KEY_RSEARCH):
overlay_show(info, OVERLAY_RSEARCH, true);
return TRUE;
case KEY(KEY_URL):
search(vte, url_regex, false);
return TRUE;
case KEY(KEY_RURL):
search(vte, url_regex, true);
return TRUE;
}
} else if (modifiers == GDK_CONTROL_MASK && event->keyval == GDK_KEY_Tab) {
overlay_show(info, OVERLAY_COMPLETION, true);
return TRUE;
}
return FALSE;
}
#ifdef CLICKABLE_URL
static void get_vte_padding(VteTerminal *vte, int *w, int *h) {
GtkBorder *border = NULL;
gtk_widget_style_get(GTK_WIDGET(vte), "inner-border", &border, NULL);
if (!border) {
g_warning("VTE's inner-border property unavailable");
*w = *h = 0;
} else {
*w = border->left + border->right;
*h = border->top + border->bottom;
gtk_border_free(border);
}
}
static char *check_match(VteTerminal *vte, int event_x, int event_y) {
int xpad, ypad, tag;
get_vte_padding(vte, &xpad, &ypad);
return vte_terminal_match_check(vte,
(event_x - ypad) / vte_terminal_get_char_width(vte),
(event_y - ypad) / vte_terminal_get_char_height(vte),
&tag);
}
static gboolean button_press_cb(VteTerminal *vte, GdkEventButton *event) {
char *match = check_match(vte, (int)event->x, (int)event->y);
if (event->button == 1 && event->type == GDK_BUTTON_PRESS && match != NULL) {
char *argv[] = URL_COMMAND(match);
g_spawn_async(NULL, argv, NULL, (GSpawnFlags)0, NULL, NULL, NULL, NULL);
g_free(match);
return TRUE;
}
return FALSE;
}
#endif
#ifdef URGENT_ON_BEEP
static void beep_handler(GtkWindow *window) {
gtk_window_set_urgency_hint(window, TRUE);
}
static gboolean focus_in_handler(GtkWindow *window) {
gtk_window_set_urgency_hint(window, FALSE);
return FALSE;
}
#endif
#ifdef DYNAMIC_TITLE
static void window_title_cb(VteTerminal *vte, GtkWindow *window) {
const char *t = vte_terminal_get_window_title(vte);
gtk_window_set_title(window, t ? t : "termite");
}
#endif
static gboolean position_overlay_cb(GtkBin *overlay, GtkWidget *widget, GdkRectangle *alloc) {
GtkWidget *vte = gtk_bin_get_child(overlay);
int width = gtk_widget_get_allocated_width(vte);
int height = gtk_widget_get_allocated_height(vte);
GtkRequisition req;
gtk_widget_get_preferred_size(widget, NULL, &req);
alloc->x = width - req.width - 40;
alloc->y = 0;
alloc->width = MIN(width, req.width);
alloc->height = MIN(height, req.height);
return TRUE;
}
static void load_config(GtkWindow *window, VteTerminal *vte) {
GError *error = NULL;
GKeyFile *config = g_key_file_new();
if (!g_key_file_load_from_file(config, "termite.cfg", G_KEY_FILE_NONE, &error)) {
g_printerr("could not open config file: %s\n", error->message);
g_error_free(error);
} else {
gboolean resize_grip = g_key_file_get_boolean(config, "options", "resize_grip", &error);
if (error) {
g_error_free(error);
error = NULL;
} else {
gtk_window_set_has_resize_grip(GTK_WINDOW(window), resize_grip);
}
gboolean scroll_on_output = g_key_file_get_boolean(config, "options", "scroll_on_output", &error);
if (error) {
g_error_free(error);
error = NULL;
} else {
vte_terminal_set_scroll_on_output(vte, scroll_on_output);
}
gboolean scroll_on_keystroke = g_key_file_get_boolean(config, "options", "scroll_on_keystroke", &error);
if (error) {
g_error_free(error);
error = NULL;
} else {
vte_terminal_set_scroll_on_keystroke(vte, scroll_on_keystroke);
}
gboolean audible_bell = g_key_file_get_boolean(config, "options", "audible_bell", &error);
if (error) {
g_error_free(error);
error = NULL;
} else {
vte_terminal_set_audible_bell(vte, audible_bell);
}
gboolean visible_bell = g_key_file_get_boolean(config, "options", "visible_bell", &error);
if (error) {
g_error_free(error);
error = NULL;
} else {
vte_terminal_set_visible_bell(vte, visible_bell);
}
gboolean mouse_autohide = g_key_file_get_boolean(config, "options", "mouse_autohide", &error);
if (error) {
g_error_free(error);
error = NULL;
} else {
vte_terminal_set_mouse_autohide(vte, mouse_autohide);
}
}
g_key_file_free(config);
}
int main(int argc, char **argv) {
GError *error = NULL;
GOptionContext *context = g_option_context_new("[COMMAND]");
const gchar *role = NULL;
const GOptionEntry entries[] = {
{ "role", 'r', 0, G_OPTION_ARG_STRING, &role, "The role to use", "ROLE" },
{ 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;
}
GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
/*gtk_window_set_default_size(GTK_WINDOW(window), 400, 400);*/
if (role) {
gtk_window_set_role(GTK_WINDOW(window), role);
}
#ifdef ICON_NAME
GdkPixbuf *icon = gtk_icon_theme_load_icon(gtk_icon_theme_get_default(), ICON_NAME, 48, 0, NULL);
if (icon) {
gtk_window_set_icon(GTK_WINDOW(window), icon);
}
#endif
GtkWidget *overlay = gtk_overlay_new();
GtkWidget *vte = vte_terminal_new();
char **command_argv;
char *default_argv[2] = {NULL, NULL};
if (argc > 1) {
command_argv = &argv[1];
} else {
default_argv[0] = vte_get_user_shell();
if (!default_argv[0]) default_argv[0] = "/bin/sh";
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;
}
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);
load_config(GTK_WINDOW(window), VTE_TERMINAL(vte));
vte_terminal_set_scrollback_lines(VTE_TERMINAL(vte), scrollback_lines);
vte_terminal_set_font_from_string(VTE_TERMINAL(vte), font);
vte_terminal_set_cursor_shape(VTE_TERMINAL(vte), CONCAT2(VTE_CURSOR_SHAPE_, CURSOR_SHAPE));
vte_terminal_set_cursor_blink_mode(VTE_TERMINAL(vte), CONCAT2(VTE_CURSOR_BLINK_, CURSOR_BLINK));
#ifdef TRANSPARENCY
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);
vte_terminal_set_background_saturation(VTE_TERMINAL(vte), TRANSPARENCY);
vte_terminal_set_opacity(VTE_TERMINAL(vte), (guint16)(0xffff * (1 - TRANSPARENCY)));
#endif
// set colors
GdkColor foreground, background, cursor, palette[16];
gdk_color_parse(foreground_color, &foreground);
gdk_color_parse(background_color, &background);
gdk_color_parse(cursor_color, &cursor);
for (unsigned i = 0; i < 16; i++) {
gdk_color_parse(colors[i], &palette[i]);
}
vte_terminal_set_colors(VTE_TERMINAL(vte), &foreground, &background, palette, 16);
vte_terminal_set_color_cursor(VTE_TERMINAL(vte), &cursor);
#ifdef 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);
#endif
#ifdef URGENT_ON_BEEP
g_signal_connect_swapped(vte, "beep", G_CALLBACK(beep_handler), window);
g_signal_connect(window, "focus-in-event", G_CALLBACK(focus_in_handler), NULL);
#endif
#ifdef DYNAMIC_TITLE
window_title_cb(VTE_TERMINAL(vte), GTK_WINDOW(window));
g_signal_connect(vte, "window-title-changed", G_CALLBACK(window_title_cb), window);
#endif
gtk_widget_grab_focus(vte);
gtk_widget_show_all(window);
gtk_widget_hide(alignment);
gtk_main();
return 0;
}