diff options
Diffstat (limited to 'src/T.c')
| -rw-r--r-- | src/T.c | 171 |
1 files changed, 171 insertions, 0 deletions
@@ -0,0 +1,171 @@ +/* + * T.c + * + * T is a lean Terminal emulator. + */ + +#include <gdk/gdk.h> +#include <gdk/gdkkeysyms.h> +#include <gtk/gtk.h> +#include <unistd.h> +#include <vte/vte.h> + +#include "config.h" + +static GtkWindow *main_window; + +/* Event callbacks */ +static gboolean window_delete_event_callback(GtkWidget *widget, GdkEvent *event, gpointer data); +static void window_destroy_callback(GtkWidget *widget, gpointer data); +static void terminal_child_exited_callback(VteTerminal *terminal, gpointer data); +static void terminal_window_title_changed_callback(VteTerminal *terminal, gpointer data); + +/* Helper setup functions */ +static void setup_pty(VteTerminal *terminal, GPid *child_pid); +static void set_app_preferences(VteTerminal *terminal); +static void setup_terminal(VteTerminal *terminal); +static void setup_main_window(void); + +static gboolean +window_delete_event_callback(GtkWidget *widget, GdkEvent *event, gpointer data) +{ + /* TODO: always false? */ + return FALSE; +} + +static void +window_destroy_callback(GtkWidget *widget, gpointer data) +{ + gtk_main_quit(); +} + +static gboolean +terminal_key_press_callback(GtkWidget *widget, GdkEvent *event, gpointer data) +{ + GdkEventKey *key_event = (GdkEventKey *) event; + VteTerminal *terminal = (VteTerminal *) widget; + + if ((key_event->state & GDK_SHIFT_MASK) == 0 + || (key_event->state & GDK_CONTROL_MASK) == 0) + return FALSE; + + switch (key_event->keyval) { + case GDK_KEY_C: + case GDK_KEY_c: + vte_terminal_copy_clipboard(terminal); + break; + case GDK_KEY_V: + case GDK_KEY_v: + vte_terminal_paste_clipboard(terminal); + break; + case GDK_KEY_N: + case GDK_KEY_n: + fork(); + break; + } + + return TRUE; +} + +static void +terminal_child_exited_callback(VteTerminal *terminal, gpointer data) +{ + gtk_main_quit(); +} + +static void +terminal_window_title_changed_callback(VteTerminal *terminal, gpointer data) +{ + gtk_window_set_title(main_window, vte_terminal_get_window_title(terminal)); +} + +static void +setup_pty(VteTerminal *terminal, GPid *child_pid) +{ + VtePty* pty; + char *argv[] = { NULL, NULL }; + + /* TODO: error handling */ + argv[0] = vte_get_user_shell(); + pty = vte_terminal_pty_new(terminal, VTE_PTY_DEFAULT, NULL); + vte_terminal_set_pty_object(terminal, pty); + vte_terminal_fork_command_full(terminal, VTE_PTY_DEFAULT, ".", argv, NULL, G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, child_pid, NULL); +} + +static void +set_app_preferences(VteTerminal *terminal) +{ + /* + * WARNING: + * Options set here can be configured through config.h + */ + + int i; + GdkColor palette[PALETTE_SIZE], bg_color, fg_color; + + /* Set preferences */ + vte_terminal_set_mouse_autohide(terminal, MOUSE_AUTOHIDE); + vte_terminal_set_visible_bell(terminal, VISIBLE_BELL); + vte_terminal_set_audible_bell(terminal, AUDIBLE_BELL); + vte_terminal_set_font_from_string(terminal, FONT_NAME); + + gdk_color_parse(FOREGROUND_COLOR, &fg_color); + gdk_color_parse(BACKGROUND_COLOR, &bg_color); + for (i = 0; i < PALETTE_SIZE; ++i) + gdk_color_parse(COLOR_PALETTE[i], &palette[i]); + vte_terminal_set_colors(terminal, &fg_color, &bg_color, palette, PALETTE_SIZE); +} + +static void +setup_terminal(VteTerminal *terminal) +{ + GPid child_pid; + + setup_pty(terminal, &child_pid); + vte_terminal_watch_child(terminal, child_pid); + + g_signal_connect(terminal, "child-exited", G_CALLBACK(terminal_child_exited_callback), NULL); + g_signal_connect(terminal, "window-title-changed", G_CALLBACK(terminal_window_title_changed_callback), NULL); + g_signal_connect(terminal, "key-press-event", G_CALLBACK(terminal_key_press_callback), NULL); + + set_app_preferences(terminal); +} + +static void +setup_main_window(void) +{ + GdkGeometry hints; + VteTerminal *terminal; + + terminal = (VteTerminal *) vte_terminal_new(); + setup_terminal(terminal); + + hints.base_width = vte_terminal_get_char_width(terminal); + hints.base_height = vte_terminal_get_char_height(terminal); + hints.min_width = hints.base_width * MIN_WIDTH; + hints.min_height = hints.base_height * MIN_HEIGHT; + hints.width_inc = hints.base_width; + hints.height_inc = hints.base_height; + gtk_window_set_geometry_hints(main_window, GTK_WIDGET(terminal), &hints, GDK_HINT_RESIZE_INC | GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE); + + g_signal_connect(main_window, "delete-event", G_CALLBACK(window_delete_event_callback), NULL); + g_signal_connect(main_window, "destroy", G_CALLBACK(window_destroy_callback), NULL); + gtk_window_set_icon_name(main_window, "utilities-terminal"); + + gtk_container_add(GTK_CONTAINER(main_window), GTK_WIDGET(terminal)); + + gtk_widget_show(GTK_WIDGET(terminal)); + gtk_widget_show(GTK_WIDGET(main_window)); +} + +int +main(int argc, char *argv[]) +{ + gtk_init(&argc, &argv); + + main_window = (GtkWindow *) gtk_window_new(GTK_WINDOW_TOPLEVEL); + setup_main_window(); + gtk_main(); + + return 0; +} |