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/*
* Copyright (C) 2013 Daniel Micay
*
* This is free software; you can redistribute it and/or modify it under
* the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <algorithm>
#include <array>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <functional>
#include <limits>
#include <map>
#include <memory>
#include <vector>
#include <set>
#include <string>
#include <gtk/gtk.h>
#include <vte/vte.h>
#define PCRE2_CODE_UNIT_WIDTH 8
#include <pcre2.h>
#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
#endif
#include "url_regex.hh"
#include "util/clamp.hh"
#include "util/maybe.hh"
#include "util/memory.hh"
using namespace std::placeholders;
/* Allow scales a bit smaller and a bit larger than the usual pango ranges */
#define TERMINAL_SCALE_XXX_SMALL (PANGO_SCALE_XX_SMALL/1.2)
#define TERMINAL_SCALE_XXXX_SMALL (TERMINAL_SCALE_XXX_SMALL/1.2)
#define TERMINAL_SCALE_XXXXX_SMALL (TERMINAL_SCALE_XXXX_SMALL/1.2)
#define TERMINAL_SCALE_XXX_LARGE (PANGO_SCALE_XX_LARGE*1.2)
#define TERMINAL_SCALE_XXXX_LARGE (TERMINAL_SCALE_XXX_LARGE*1.2)
#define TERMINAL_SCALE_XXXXX_LARGE (TERMINAL_SCALE_XXXX_LARGE*1.2)
#define TERMINAL_SCALE_MINIMUM (TERMINAL_SCALE_XXXXX_SMALL/1.2)
#define TERMINAL_SCALE_MAXIMUM (TERMINAL_SCALE_XXXXX_LARGE*1.2)
static const std::vector<double> zoom_factors = {
TERMINAL_SCALE_MINIMUM,
TERMINAL_SCALE_XXXXX_SMALL,
TERMINAL_SCALE_XXXX_SMALL,
TERMINAL_SCALE_XXX_SMALL,
PANGO_SCALE_XX_SMALL,
PANGO_SCALE_X_SMALL,
PANGO_SCALE_SMALL,
PANGO_SCALE_MEDIUM,
PANGO_SCALE_LARGE,
PANGO_SCALE_X_LARGE,
PANGO_SCALE_XX_LARGE,
TERMINAL_SCALE_XXX_LARGE,
TERMINAL_SCALE_XXXX_LARGE,
TERMINAL_SCALE_XXXXX_LARGE,
TERMINAL_SCALE_MAXIMUM
};
enum class overlay_mode {
hidden,
search,
rsearch,
completion,
urlselect
};
enum class vi_mode {
insert,
command,
visual,
visual_line,
visual_block
};
struct select_info {
vi_mode mode;
long begin_col;
long begin_row;
long origin_col;
long origin_row;
};
struct url_data {
url_data(char *u, long c, long r) : url(u, g_free), col(c), row(r) {}
std::unique_ptr<char, decltype(&g_free)> url;
long col, row;
};
struct search_panel_info {
GtkWidget *entry;
GtkWidget *da;
overlay_mode mode;
std::vector<url_data> url_list;
char *fulltext;
};
struct hint_info {
PangoFontDescription *font;
cairo_pattern_t *fg, *bg, *af, *ab, *border;
double padding, border_width, roundness;
};
struct config_info {
hint_info hints;
char *browser;
gboolean dynamic_title, urgent_on_bell, clickable_url, size_hints;
gboolean filter_unmatched_urls, modify_other_keys;
gboolean fullscreen;
int tag;
char *config_file;
gdouble font_scale;
};
struct keybind_info {
GtkWindow *window;
VteTerminal *vte;
search_panel_info panel;
select_info select;
config_info config;
std::function<void (GtkWindow *)> fullscreen_toggle;
};
struct draw_cb_info {
VteTerminal *vte;
search_panel_info *panel;
hint_info *hints;
gboolean filter_unmatched_urls;
};
struct accelerator {
accelerator(guint init_keyval, GdkModifierType init_modifiers) : keyval(init_keyval), modifiers(init_modifiers) {
}
accelerator(const gchar* name) {
gtk_accelerator_parse(name, &this->keyval, &this->modifiers);
if (this->keyval == 0)
g_printerr("key binding accelerator invalid: %s\n", name);
}
bool operator<(const accelerator& other) const {
if (this->keyval<other.keyval)
return true;
if (this->keyval>other.keyval)
return false;
if (this->modifiers<other.modifiers)
return true;
return false;
}
guint keyval;
GdkModifierType modifiers;
};
#define KEYDEF(label, binding) label,
#define KEYDEF2(label, binding1, binding2) label,
#define KEYDEF3(label, binding1, binding2, binding3) label,
enum class command_id {
#include "keybindings.hh"
none
};
static void launch_browser(char *browser, char *url);
static void window_title_cb(VteTerminal *vte, gboolean *dynamic_title);
static gboolean window_state_cb(GtkWindow *window, GdkEventWindowState *event, keybind_info *info);
static gboolean key_press_cb(VteTerminal *vte, GdkEventKey *event, keybind_info *info);
static gboolean entry_key_press_cb(GtkEntry *entry, GdkEventKey *event, keybind_info *info);
static gboolean position_overlay_cb(GtkBin *overlay, GtkWidget *widget, GdkRectangle *alloc);
static gboolean button_press_cb(VteTerminal *vte, GdkEventButton *event, const config_info *info);
static void bell_cb(GtkWidget *vte, gboolean *urgent_on_bell);
static gboolean focus_cb(GtkWindow *window);
static GtkTreeModel *create_completion_model(VteTerminal *vte);
static void search(VteTerminal *vte, const char *pattern, bool reverse);
static void overlay_show(search_panel_info *info, overlay_mode mode, VteTerminal *vte);
static void get_vte_padding(VteTerminal *vte, int *left, int *top, int *right, int *bottom);
static char *check_match(VteTerminal *vte, GdkEventButton *event);
static void load_config(GtkWindow *window, VteTerminal *vte, GtkWidget *scrollbar, GtkWidget *hbox,
config_info *info, char **icon, bool *show_scrollbar);
static void set_config(GtkWindow *window, VteTerminal *vte, GtkWidget *scrollbar, GtkWidget *hbox,
config_info *info, char **icon, bool *show_scrollbar,
GKeyFile *config);
static long first_row(VteTerminal *vte);
static std::function<void ()> reload_config;
static void override_background_color(GtkWidget *widget, GdkRGBA *rgba) {
GtkCssProvider *provider = gtk_css_provider_new();
gchar *colorstr = gdk_rgba_to_string(rgba);
char *css = g_strdup_printf("* { background-color: %s; }", colorstr);
gtk_css_provider_load_from_data(provider, css, -1, nullptr);
g_free(colorstr);
g_free(css);
gtk_style_context_add_provider(gtk_widget_get_style_context(widget),
GTK_STYLE_PROVIDER(provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
g_object_unref(provider);
}
static const std::map<int, const char *> modify_table = {
{ GDK_KEY_Tab, "\033[27;5;9~" },
{ GDK_KEY_Return, "\033[27;5;13~" },
{ GDK_KEY_apostrophe, "\033[27;5;39~" },
{ GDK_KEY_comma, "\033[27;5;44~" },
{ GDK_KEY_minus, "\033[27;5;45~" },
{ GDK_KEY_period, "\033[27;5;46~" },
{ GDK_KEY_0, "\033[27;5;48~" },
{ GDK_KEY_1, "\033[27;5;49~" },
{ GDK_KEY_9, "\033[27;5;57~" },
{ GDK_KEY_semicolon, "\033[27;5;59~" },
{ GDK_KEY_equal, "\033[27;5;61~" },
{ GDK_KEY_exclam, "\033[27;6;33~" },
{ GDK_KEY_quotedbl, "\033[27;6;34~" },
{ GDK_KEY_numbersign, "\033[27;6;35~" },
{ GDK_KEY_dollar, "\033[27;6;36~" },
{ GDK_KEY_percent, "\033[27;6;37~" },
{ GDK_KEY_ampersand, "\033[27;6;38~" },
{ GDK_KEY_parenleft, "\033[27;6;40~" },
{ GDK_KEY_parenright, "\033[27;6;41~" },
{ GDK_KEY_asterisk, "\033[27;6;42~" },
{ GDK_KEY_plus, "\033[27;6;43~" },
{ GDK_KEY_colon, "\033[27;6;58~" },
{ GDK_KEY_less, "\033[27;6;60~" },
{ GDK_KEY_greater, "\033[27;6;62~" },
{ GDK_KEY_question, "\033[27;6;63~" },
};
static const std::map<int, const char *> modify_meta_table = {
{ GDK_KEY_Tab, "\033[27;13;9~" },
{ GDK_KEY_Return, "\033[27;13;13~" },
{ GDK_KEY_apostrophe, "\033[27;13;39~" },
{ GDK_KEY_comma, "\033[27;13;44~" },
{ GDK_KEY_minus, "\033[27;13;45~" },
{ GDK_KEY_period, "\033[27;13;46~" },
{ GDK_KEY_0, "\033[27;13;48~" },
{ GDK_KEY_1, "\033[27;13;49~" },
{ GDK_KEY_9, "\033[27;13;57~" },
{ GDK_KEY_semicolon, "\033[27;13;59~" },
{ GDK_KEY_equal, "\033[27;13;61~" },
{ GDK_KEY_exclam, "\033[27;14;33~" },
{ GDK_KEY_quotedbl, "\033[27;14;34~" },
{ GDK_KEY_numbersign, "\033[27;14;35~" },
{ GDK_KEY_dollar, "\033[27;14;36~" },
{ GDK_KEY_percent, "\033[27;14;37~" },
{ GDK_KEY_ampersand, "\033[27;14;38~" },
{ GDK_KEY_parenleft, "\033[27;14;40~" },
{ GDK_KEY_parenright, "\033[27;14;41~" },
{ GDK_KEY_asterisk, "\033[27;14;42~" },
{ GDK_KEY_plus, "\033[27;14;43~" },
{ GDK_KEY_colon, "\033[27;14;58~" },
{ GDK_KEY_less, "\033[27;14;60~" },
{ GDK_KEY_greater, "\033[27;14;62~" },
{ GDK_KEY_question, "\033[27;14;63~" },
};
#undef KEYDEF
#undef KEYDEF2
#undef KEYDEF3
#define KEYDEF(label, binding) { binding, command_id::label },
#define KEYDEF2(label, binding1, binding2) { binding1, command_id::label }, { binding2, command_id::label },
#define KEYDEF3(label, binding1, binding2, binding3) { binding1, command_id::label }, { binding2, command_id::label }, { binding3, command_id::label },
static std::map<accelerator,command_id> default_bindings = {
#include "keybindings.hh"
};
static auto bindings = default_bindings;
static command_id find_binding(const GdkEventKey* event ) {
GdkKeymap* keymap = gdk_keymap_get_for_display(gdk_display_get_default());
guint keyval;
// 'direct' match
GdkModifierType modifiers = (GdkModifierType)event->state;
GdkModifierType consumed_modifiers;
gdk_keymap_translate_keyboard_state(keymap,
event->hardware_keycode, modifiers, event->group,
&keyval, NULL, NULL, &consumed_modifiers);
modifiers = GdkModifierType(modifiers & gdk_keymap_get_modifier_mask(keymap, GDK_MODIFIER_INTENT_DEFAULT_MOD_MASK));
modifiers = GdkModifierType(event->state & ~consumed_modifiers);
//gdk_keymap_add_virtual_modifiers (keymap, &this->modifiers);
auto command_iter = bindings.find(accelerator(keyval,modifiers));
if (command_iter != bindings.end() )
return command_iter->second;
// match keyval converted only with shift modifier
if (event->state & GDK_SHIFT_MASK) {
modifiers = (GdkModifierType)event->state;
gdk_keymap_translate_keyboard_state(keymap,
event->hardware_keycode, GdkModifierType(modifiers & GDK_SHIFT_MASK), event->group,
&keyval, NULL, NULL, &consumed_modifiers);
modifiers = GdkModifierType(modifiers & gdk_keymap_get_modifier_mask(keymap, GDK_MODIFIER_INTENT_DEFAULT_MOD_MASK));
modifiers = GdkModifierType(event->state & ~consumed_modifiers);
command_iter = bindings.find(accelerator(keyval,modifiers));
if (command_iter != bindings.end() )
return command_iter->second;
}
// match keyval converted without modifiers
modifiers = (GdkModifierType)event->state;
gdk_keymap_translate_keyboard_state(keymap,
event->hardware_keycode, (GdkModifierType)0, event->group,
&keyval, NULL, NULL, NULL);
modifiers = GdkModifierType(modifiers & gdk_keymap_get_modifier_mask(keymap, GDK_MODIFIER_INTENT_DEFAULT_MOD_MASK));
command_iter = bindings.find(accelerator(keyval,modifiers));
if (command_iter != bindings.end() )
return command_iter->second;
return command_id::none;
}
#undef KEYDEF
#undef KEYDEF2
#undef KEYDEF3
#define KEYDEF(label, binding) std::make_pair(#label, command_id::label),
#define KEYDEF2(label, binding1, binding2) std::make_pair(#label, command_id::label),
#define KEYDEF3(label, binding1, binding2, binding3) std::make_pair(#label, command_id::label),
static std::vector<std::pair<const char*,command_id> > command_names = {
#include "keybindings.hh"
};
static gboolean modify_key_feed(GdkEventKey *event, keybind_info *info,
const std::map<int, const char *>& table) {
if (info->config.modify_other_keys) {
unsigned int keyval = gdk_keyval_to_lower(event->keyval);
auto entry = table.find((int)keyval);
if (entry != table.end()) {
vte_terminal_feed_child(info->vte, entry->second, -1);
return TRUE;
}
}
return FALSE;
}
void launch_browser(char *browser, char *url) {
char *browser_cmd[3] = {browser, url, nullptr};
GError *error = nullptr;
if (!browser) {
g_printerr("browser not set, can't open url\n");
return;
}
GPid child_pid;
if (!g_spawn_async(nullptr, browser_cmd, nullptr, G_SPAWN_SEARCH_PATH,
nullptr, nullptr, &child_pid, &error)) {
g_printerr("error launching '%s': %s\n", browser, error->message);
g_error_free(error);
}
g_spawn_close_pid(child_pid);
}
static void set_size_hints(GtkWindow *window, VteTerminal *vte) {
static const GdkWindowHints wh = (GdkWindowHints)(GDK_HINT_RESIZE_INC | GDK_HINT_MIN_SIZE |
GDK_HINT_BASE_SIZE);
const int char_width = (int)vte_terminal_get_char_width(vte);
const int char_height = (int)vte_terminal_get_char_height(vte);
int padding_left, padding_top, padding_right, padding_bottom;
get_vte_padding(vte, &padding_left, &padding_top, &padding_right, &padding_bottom);
GdkGeometry hints;
hints.base_width = char_width + padding_left + padding_right;
hints.base_height = char_height + padding_top + padding_bottom;
hints.min_width = hints.base_width;
hints.min_height = hints.base_height;
hints.width_inc = char_width;
hints.height_inc = char_height;
gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &hints, wh);
}
static void launch_in_directory(VteTerminal *vte) {
const char *uri = vte_terminal_get_current_directory_uri(vte);
if (!uri) {
g_printerr("no directory uri set\n");
return;
}
auto dir = make_unique(g_filename_from_uri(uri, nullptr, nullptr), g_free);
char term[] = "termite"; // maybe this should be argv[0]
char *cmd[] = {term, nullptr};
g_spawn_async(dir.get(), cmd, nullptr, G_SPAWN_SEARCH_PATH, nullptr, nullptr, nullptr, nullptr);
}
static void find_urls(VteTerminal *vte, search_panel_info *panel_info) {
GRegex *regex = g_regex_new(url_regex, G_REGEX_CASELESS, G_REGEX_MATCH_NOTEMPTY, nullptr);
GArray *attributes = g_array_new(FALSE, FALSE, sizeof(VteCharAttributes));
auto content = make_unique(vte_terminal_get_text(vte, nullptr, nullptr, attributes), g_free);
for (char *s_ptr = content.get(), *saveptr; ; s_ptr = nullptr) {
const char *token = strtok_r(s_ptr, "\n", &saveptr);
if (!token) {
break;
}
GError *error = nullptr;
GMatchInfo *info;
g_regex_match_full(regex, token, -1, 0, (GRegexMatchFlags)0, &info, &error);
while (g_match_info_matches(info)) {
int pos;
g_match_info_fetch_pos(info, 0, &pos, nullptr);
const long first_row = g_array_index(attributes, VteCharAttributes, 0).row;
const auto attr = g_array_index(attributes, VteCharAttributes, token + pos - content.get());
panel_info->url_list.emplace_back(g_match_info_fetch(info, 0),
attr.column,
attr.row - first_row);
g_match_info_next(info, &error);
}
g_match_info_free(info);
if (error) {
g_printerr("error while matching: %s\n", error->message);
g_error_free(error);
}
}
g_regex_unref(regex);
g_array_free(attributes, TRUE);
}
static void launch_url(char *browser, const char *text, search_panel_info *info) {
char *end;
errno = 0;
unsigned long id = strtoul(text, &end, 10);
if (!errno && id && id <= info->url_list.size() && !*end) {
launch_browser(browser, info->url_list[id - 1].url.get());
} else {
g_printerr("url hint invalid: %s\n", text);
}
}
static void draw_rectangle(cairo_t *cr, double x, double y, double height,
double width, double radius) {
double a = x, b = x + height, c = y, d = y + width;
cairo_arc(cr, a + radius, c + radius, radius, 2*(M_PI/2), 3*(M_PI/2));
cairo_arc(cr, b - radius, c + radius, radius, 3*(M_PI/2), 4*(M_PI/2));
cairo_arc(cr, b - radius, d - radius, radius, 0*(M_PI/2), 1*(M_PI/2));
cairo_arc(cr, a + radius, d - radius, radius, 1*(M_PI/2), 2*(M_PI/2));
cairo_close_path(cr);
}
static void draw_marker(cairo_t *cr, const PangoFontDescription *desc,
const hint_info *hints, long x, long y, const char *msg,
bool active) {
cairo_text_extents_t ext;
int width, height;
cairo_text_extents(cr, msg, &ext);
PangoLayout *layout = pango_cairo_create_layout(cr);
pango_layout_set_font_description(layout, desc);
pango_layout_set_text(layout, msg, -1);
pango_layout_get_size(layout, &width, &height);
draw_rectangle(cr, static_cast<double>(x), static_cast<double>(y),
static_cast<double>(width / PANGO_SCALE) + hints->padding * 2,
static_cast<double>(height / PANGO_SCALE) + hints->padding * 2,
hints->roundness);
cairo_set_source(cr, hints->border);
cairo_set_line_width(cr, hints->border_width);
cairo_stroke_preserve(cr);
cairo_set_source(cr, active ? hints->ab : hints->bg);
cairo_fill(cr);
cairo_new_path(cr);
cairo_move_to(cr, static_cast<double>(x) + hints->padding,
static_cast<double>(y) + hints->padding);
cairo_set_source(cr, active ? hints->af : hints->fg);
pango_cairo_update_layout(cr, layout);
pango_cairo_layout_path(cr, layout);
cairo_fill(cr);
g_object_unref(layout);
}
static gboolean draw_cb(const draw_cb_info *info, cairo_t *cr) {
if (!info->panel->url_list.empty()) {
char buffer[std::numeric_limits<unsigned>::digits10 + 1];
int padding_left, padding_top, padding_right, padding_bottom;
const long cw = vte_terminal_get_char_width(info->vte);
const long ch = vte_terminal_get_char_height(info->vte);
const PangoFontDescription *desc = info->hints->font ?
info->hints->font : vte_terminal_get_font(info->vte);
size_t len = info->panel->fulltext == nullptr ?
0 : strlen(info->panel->fulltext);
cairo_set_line_width(cr, 1);
cairo_set_source_rgb(cr, 0, 0, 0);
cairo_stroke(cr);
get_vte_padding(info->vte, &padding_left, &padding_top, &padding_right, &padding_bottom);
for (unsigned i = 0; i < info->panel->url_list.size(); i++) {
const url_data &data = info->panel->url_list[i];
const long x = data.col * cw + padding_left;
const long y = data.row * ch + padding_top;
bool active = false;
snprintf(buffer, sizeof(buffer), "%u", i + 1);
if (len)
active = strncmp(buffer, info->panel->fulltext, len) == 0;
if (!info->filter_unmatched_urls || active || len == 0)
draw_marker(cr, desc, info->hints, x, y, buffer, active);
}
}
return FALSE;
}
static void update_selection(VteTerminal *vte, const select_info *select) {
vte_terminal_unselect_all(vte);
if (select->mode == vi_mode::command) {
return;
}
const long n_columns = vte_terminal_get_column_count(vte);
long cursor_col, cursor_row, selection_x_end;
vte_terminal_get_cursor_position(vte, &cursor_col, &cursor_row);
vte_terminal_set_selection_block_mode(vte, select->mode == vi_mode::visual_block);
if (select->mode == vi_mode::visual) {
const long begin = select->begin_row * n_columns + select->begin_col;
const long end = cursor_row * n_columns + cursor_col;
if (begin < end) {
selection_x_end = cursor_col;
#if VTE_CHECK_VERSION(0, 55, 0)
selection_x_end += 1;
#endif
vte_terminal_select_text(vte, select->begin_col, select->begin_row,
selection_x_end, cursor_row);
} else {
selection_x_end = select->begin_col;
#if VTE_CHECK_VERSION(0, 55, 0)
selection_x_end += 1;
#endif
vte_terminal_select_text(vte, cursor_col, cursor_row,
selection_x_end, select->begin_row);
}
} else if (select->mode == vi_mode::visual_line) {
selection_x_end = n_columns - 1;
#if VTE_CHECK_VERSION(0, 55, 0)
selection_x_end += 1;
#endif
vte_terminal_select_text(vte, 0,
std::min(select->begin_row, cursor_row),
selection_x_end,
std::max(select->begin_row, cursor_row));
} else if (select->mode == vi_mode::visual_block) {
selection_x_end = std::max(select->begin_col, cursor_col);
#if VTE_CHECK_VERSION(0, 55, 0)
selection_x_end += 1;
#endif
vte_terminal_select_text(vte,
std::min(select->begin_col, cursor_col),
std::min(select->begin_row, cursor_row),
selection_x_end,
std::max(select->begin_row, cursor_row));
}
vte_terminal_copy_primary(vte);
}
static void enter_command_mode(VteTerminal *vte, select_info *select) {
vte_terminal_disconnect_pty_read(vte);
select->mode = vi_mode::command;
vte_terminal_get_cursor_position(vte, &select->origin_col, &select->origin_row);
update_selection(vte, select);
}
static void exit_command_mode(VteTerminal *vte, select_info *select) {
vte_terminal_set_cursor_position(vte, select->origin_col, select->origin_row);
vte_terminal_connect_pty_read(vte);
vte_terminal_unselect_all(vte);
select->mode = vi_mode::insert;
}
static void toggle_visual(VteTerminal *vte, select_info *select, vi_mode mode) {
if (select->mode == mode) {
select->mode = vi_mode::command;
} else {
if (select->mode == vi_mode::command) {
vte_terminal_get_cursor_position(vte, &select->begin_col, &select->begin_row);
}
select->mode = mode;
}
update_selection(vte, select);
}
static long first_row(VteTerminal *vte) {
GtkAdjustment *adjust = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(vte));
return (long)gtk_adjustment_get_lower(adjust);
}
static long last_row(VteTerminal *vte) {
GtkAdjustment *adjust = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(vte));
return (long)gtk_adjustment_get_upper(adjust) - 1;
}
static long top_row(VteTerminal *vte) {
GtkAdjustment *adjust = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(vte));
return (long)gtk_adjustment_get_value(adjust);
}
static long middle_row(VteTerminal *vte) {
GtkAdjustment *adjust = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(vte));
return (long)gtk_adjustment_get_value(adjust) +
(long)vte_terminal_get_row_count(vte) / 2;
}
static long bottom_row(VteTerminal *vte) {
GtkAdjustment *adjust = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(vte));
return (long)gtk_adjustment_get_value(adjust) +
(long)vte_terminal_get_row_count(vte) - 1;
}
static void update_scroll(VteTerminal *vte) {
GtkAdjustment *adjust = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(vte));
const double scroll_row = gtk_adjustment_get_value(adjust);
const long n_rows = vte_terminal_get_row_count(vte);
long cursor_row;
vte_terminal_get_cursor_position(vte, nullptr, &cursor_row);
if ( (double)cursor_row < scroll_row) {
gtk_adjustment_set_value(adjust, (double)cursor_row);
} else if (cursor_row - n_rows >= (long)scroll_row) {
gtk_adjustment_set_value(adjust, (double)(cursor_row - n_rows + 1));
}
}
static void move(VteTerminal *vte, select_info *select, long col, long row) {
const long end_col = vte_terminal_get_column_count(vte) - 1;
long cursor_col, cursor_row;
vte_terminal_get_cursor_position(vte, &cursor_col, &cursor_row);
VteCursorBlinkMode mode = vte_terminal_get_cursor_blink_mode(vte);
vte_terminal_set_cursor_blink_mode(vte, VTE_CURSOR_BLINK_OFF);
vte_terminal_set_cursor_position(vte,
clamp(cursor_col + col, 0l, end_col),
clamp(cursor_row + row, first_row(vte), last_row(vte)));
update_scroll(vte);
update_selection(vte, select);
vte_terminal_set_cursor_blink_mode(vte, mode);
}
static void move_to_row_start(VteTerminal *vte, select_info *select, long row) {
vte_terminal_set_cursor_position(vte, 0, row);
update_scroll(vte);
update_selection(vte, select);
}
static void open_selection(char *browser, VteTerminal *vte) {
if (!vte_terminal_get_has_selection(vte)) {
g_printerr("no selection to open\n");
return;
}
if (browser) {
auto selection = make_unique(vte_terminal_get_selection(vte), g_free);
if (selection && *selection) {
launch_browser(browser, selection.get());
}
} else {
g_printerr("no browser to open url\n");
}
}
static std::unique_ptr<char, decltype(&g_free)>
get_text_range(VteTerminal *vte, long start_row, long start_col, long end_row, long end_col) {
return {vte_terminal_get_text_range(vte, start_row, start_col, end_row, end_col,
nullptr, nullptr, nullptr), g_free};
}
static bool is_word_char(gunichar c) {
static const char *word_char_ascii_punct = "-,./?%&#_=+@~";
return g_unichar_isgraph(c) &&
(g_unichar_isalnum(c) || (g_unichar_ispunct(c) &&
(c >= 0x80 || strchr(word_char_ascii_punct, (int)c) != NULL)));
}
template<typename F>
static void move_backward(VteTerminal *vte, select_info *select, F is_word) {
long cursor_col, cursor_row;
vte_terminal_get_cursor_position(vte, &cursor_col, &cursor_row);
auto content = get_text_range(vte, cursor_row, 0, cursor_row, cursor_col);
if (!content) {
return;
}
long length;
gunichar *codepoints = g_utf8_to_ucs4(content.get(), -1, nullptr, &length, nullptr);
if (!codepoints) {
return;
}
bool in_word = false;
for (long i = length - 2; i > 0; i--) {
cursor_col--;
if (!is_word(codepoints[i - 1])) {
if (in_word) {
break;
}
} else {
in_word = true;
}
}
vte_terminal_set_cursor_position(vte, cursor_col, cursor_row);
update_selection(vte, select);
g_free(codepoints);
}
static void move_backward_word(VteTerminal *vte, select_info *select) {
move_backward(vte, select, is_word_char);
}
static void move_backward_blank_word(VteTerminal *vte, select_info *select) {
move_backward(vte, select, std::not1(std::ref(g_unichar_isspace)));
}
template<typename F>
void move_first(VteTerminal *vte, select_info *select, F is_match) {
long cursor_col, cursor_row;
vte_terminal_get_cursor_position(vte, &cursor_col, &cursor_row);
const long end_col = vte_terminal_get_column_count(vte) - 1;
auto content = get_text_range(vte, cursor_row, cursor_col, cursor_row, end_col);
if (!content) {
return;
}
long length;
gunichar *codepoints = g_utf8_to_ucs4(content.get(), -1, nullptr, &length, nullptr);
if (!codepoints) {
return;
}
auto iter = std::find_if(codepoints, codepoints + length, is_match);
if (iter != codepoints + length) {
vte_terminal_set_cursor_position(vte, iter - codepoints, cursor_row);
update_selection(vte, select);
}
g_free(codepoints);
}
static void set_cursor_column(VteTerminal *vte, const select_info *select, long column) {
long cursor_row;
vte_terminal_get_cursor_position(vte, nullptr, &cursor_row);
vte_terminal_set_cursor_position(vte, column, cursor_row);
update_selection(vte, select);
}
static void move_to_eol(VteTerminal *vte, select_info *select) {
long cursor_row;
vte_terminal_get_cursor_position(vte, nullptr, &cursor_row);
const long end_col = vte_terminal_get_column_count(vte) - 1;
auto content = get_text_range(vte, cursor_row, 0, cursor_row, end_col);
if (!content) {
return;
}
long length;
gunichar *codepoints = g_utf8_to_ucs4(content.get(), -1, nullptr, &length, nullptr);
if (!codepoints) {
return;
}
auto iter = std::find(codepoints, codepoints + length, '\n');
set_cursor_column(vte, select, std::max(iter - codepoints - 1l, 0l));
g_free(codepoints);
}
template<typename F>
static void move_forward(VteTerminal *vte, select_info *select, F is_word, bool goto_word_end) {
long cursor_col, cursor_row;
vte_terminal_get_cursor_position(vte, &cursor_col, &cursor_row);
const long end_col = vte_terminal_get_column_count(vte) - 1;
auto content = get_text_range(vte, cursor_row, cursor_col, cursor_row, end_col);
if (!content) {
return;
}
long length;
gunichar *codepoints = g_utf8_to_ucs4(content.get(), -1, nullptr, &length, nullptr);
if (!codepoints) {
return;
}
// prevent going past the end (get_text_range adds a \n)
if (codepoints[length - 1] == '\n') {
length--;
}
bool end_of_word = false;
if (!goto_word_end) {
for (long i = 1; i < length; i++) {
if (is_word(codepoints[i - 1])) {
if (end_of_word) {
break;
}
} else {
end_of_word = true;
}
cursor_col++;
}
} else {
for (long i = 2; i <= length; i++) {
cursor_col++;
if (is_word(codepoints[i - 1]) && !is_word(codepoints[i])) {
break;
}
}
}
vte_terminal_set_cursor_position(vte, cursor_col, cursor_row);
update_selection(vte, select);
g_free(codepoints);
}
static void move_forward_end_word(VteTerminal *vte, select_info *select) {
move_forward(vte, select, is_word_char, true);
}
static void move_forward_end_blank_word(VteTerminal *vte, select_info *select) {
move_forward(vte, select, std::not1(std::ref(g_unichar_isspace)), true);
}
static void move_forward_word(VteTerminal *vte, select_info *select) {
move_forward(vte, select, is_word_char, false);
}
static void move_forward_blank_word(VteTerminal *vte, select_info *select) {
move_forward(vte, select, std::not1(std::ref(g_unichar_isspace)), false);
}
/* {{{ CALLBACKS */
void window_title_cb(VteTerminal *vte, gboolean *dynamic_title) {
const char *const title = *dynamic_title ? vte_terminal_get_window_title(vte) : nullptr;
gtk_window_set_title(GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(vte))),
title ? title : "termite");
}
static void reset_font_scale(VteTerminal *vte, gdouble scale) {
vte_terminal_set_font_scale(vte, scale);
}
static void increase_font_scale(VteTerminal *vte) {
gdouble scale = vte_terminal_get_font_scale(vte);
for (auto it = zoom_factors.begin(); it != zoom_factors.end(); ++it) {
if ((*it - scale) > 1e-6) {
vte_terminal_set_font_scale(vte, *it);
return;
}
}
}
static void decrease_font_scale(VteTerminal *vte) {
gdouble scale = vte_terminal_get_font_scale(vte);
for (auto it = zoom_factors.rbegin(); it != zoom_factors.rend(); ++it) {
if ((scale - *it) > 1e-6) {
vte_terminal_set_font_scale(vte, *it);
return;
}
}
}
gboolean window_state_cb(GtkWindow *, GdkEventWindowState *event, keybind_info *info) {
if (event->new_window_state & GDK_WINDOW_STATE_FULLSCREEN)
info->fullscreen_toggle = gtk_window_unfullscreen;
else
info->fullscreen_toggle = gtk_window_fullscreen;
return FALSE;
}
gboolean key_press_cb(VteTerminal *vte, GdkEventKey *event, keybind_info *info) {
command_id command = find_binding(event);
if (info->select.mode != vi_mode::insert) {
switch (command) {
case command_id::toggle_fullscreen:
info->fullscreen_toggle(info->window);
break;
case command_id::exit_command_mode:
exit_command_mode(vte, &info->select);
gtk_widget_hide(info->panel.da);
gtk_widget_hide(info->panel.entry);
info->panel.url_list.clear();
break;
case command_id::move_backward_blank_word:
move_backward_blank_word(vte, &info->select);
break;
case command_id::move_forward_blank_word:
move_forward_blank_word(vte, &info->select);
break;
case command_id::move_up_half_screen:
move(vte, &info->select, 0, -(vte_terminal_get_row_count(vte) / 2));
break;
case command_id::move_down_half_screen:
move(vte, &info->select, 0, vte_terminal_get_row_count(vte) / 2);
break;
case command_id::move_up_screen:
move(vte, &info->select, 0, -(vte_terminal_get_row_count(vte) - 1));
break;
case command_id::move_down_screen:
move(vte, &info->select, 0, vte_terminal_get_row_count(vte) - 1);
break;
case command_id::move_backward_word:
move_backward_word(vte, &info->select);
break;
case command_id::move_forward_word:
move_forward_word(vte, &info->select);
break;
case command_id::move_left:
move(vte, &info->select, -1, 0);
break;
case command_id::move_down:
move(vte, &info->select, 0, 1);
break;
case command_id::move_up:
move(vte, &info->select, 0, -1);
break;
case command_id::move_right:
move(vte, &info->select, 1, 0);
break;
case command_id::move_forward_end_word:
move_forward_end_word(vte, &info->select);
break;
case command_id::move_forward_end_blank_word:
move_forward_end_blank_word(vte, &info->select);
break;
case command_id::move_to_start_of_line:
set_cursor_column(vte, &info->select, 0);
break;
case command_id::move_first:
set_cursor_column(vte, &info->select, 0);
move_first(vte, &info->select, std::not1(std::ref(g_unichar_isspace)));
break;
case command_id::move_to_end_of_line:
move_to_eol(vte, &info->select);
break;
case command_id::move_to_first_row:
move_to_row_start(vte, &info->select, first_row(vte));
break;
case command_id::move_to_last_row:
move_to_row_start(vte, &info->select, last_row(vte));
break;
case command_id::move_to_top_row:
move_to_row_start(vte, &info->select, top_row(vte));
break;
case command_id::move_to_middle_row:
move_to_row_start(vte, &info->select, middle_row(vte));
break;
case command_id::move_to_bottom_row:
move_to_row_start(vte, &info->select, bottom_row(vte));
break;
case command_id::toggle_visual:
toggle_visual(vte, &info->select, vi_mode::visual);
break;
case command_id::toggle_visual_line:
toggle_visual(vte, &info->select, vi_mode::visual_line);
break;
case command_id::toggle_visual_block:
toggle_visual(vte, &info->select, vi_mode::visual_block);
break;
case command_id::copy_clipboard:
#if VTE_CHECK_VERSION(0, 50, 0)
vte_terminal_copy_clipboard_format(vte, VTE_FORMAT_TEXT);
#else
vte_terminal_copy_clipboard(vte);
#endif
break;
case command_id::search:
overlay_show(&info->panel, overlay_mode::search, vte);
break;
case command_id::search_reverse:
overlay_show(&info->panel, overlay_mode::rsearch, vte);
break;
case command_id::find_next:
vte_terminal_search_find_next(vte);
vte_terminal_copy_primary(vte);
break;
case command_id::find_previous:
vte_terminal_search_find_previous(vte);
vte_terminal_copy_primary(vte);
break;
case command_id::find_url:
search(vte, url_regex, false);
break;
case command_id::find_url_reverse:
search(vte, url_regex, true);
break;
case command_id::open_selection:
open_selection(info->config.browser, vte);
break;
case command_id::confirm:
open_selection(info->config.browser, vte);
exit_command_mode(vte, &info->select);
break;
case command_id::select_url:
if (!info->config.browser)
break;
find_urls(vte, &info->panel);
gtk_widget_show(info->panel.da);
overlay_show(&info->panel, overlay_mode::urlselect, nullptr);
break;
default:
break;
}
return TRUE;
}
switch (command) {
case command_id::toggle_fullscreen:
info->fullscreen_toggle(info->window);
break;
case command_id::zoom_in:
increase_font_scale(vte);
return TRUE;
case command_id::zoom_out:
decrease_font_scale(vte);
return TRUE;
case command_id::zoom_reset:
reset_font_scale(vte, info->config.font_scale);
return TRUE;
case command_id::launch_in_directory:
launch_in_directory(vte);
return TRUE;
case command_id::command_mode:
enter_command_mode(vte, &info->select);
return TRUE;
case command_id::find_url_direct:
enter_command_mode(vte, &info->select);
find_urls(vte, &info->panel);
gtk_widget_show(info->panel.da);
overlay_show(&info->panel, overlay_mode::urlselect, nullptr);
exit_command_mode(vte, &info->select);
return TRUE;
case command_id::copy_clipboard_direct:
#if VTE_CHECK_VERSION(0, 50, 0)
vte_terminal_copy_clipboard_format(vte, VTE_FORMAT_TEXT);
#else
vte_terminal_copy_clipboard(vte);
#endif
return TRUE;
case command_id::paste_clipboard:
vte_terminal_paste_clipboard(vte);
return TRUE;
case command_id::reload_config:
reload_config();
return TRUE;
case command_id::reset_terminal:
vte_terminal_reset(vte, TRUE, TRUE);
return TRUE;
case command_id::complete:
overlay_show(&info->panel, overlay_mode::completion, vte);
return TRUE;
default:
break;
}
const guint modifiers = event->state;
if ((modifiers == (GDK_CONTROL_MASK|GDK_MOD1_MASK)) ||
(modifiers == (GDK_CONTROL_MASK|GDK_MOD1_MASK|GDK_SHIFT_MASK))) {
if (modify_key_feed(event, info, modify_meta_table))
return TRUE;
} else if (modifiers == GDK_CONTROL_MASK) {
if (modify_key_feed(event, info, modify_table))
return TRUE;
}
return FALSE;
}
static void synthesize_keypress(GtkWidget *widget, unsigned keyval) {
GdkEvent new_event;
new_event.key.type = GDK_KEY_PRESS;
new_event.key.window = gtk_widget_get_parent_window(widget);
new_event.key.send_event = TRUE;
new_event.key.time = GDK_CURRENT_TIME;
new_event.key.keyval = keyval;
new_event.key.state = GDK_KEY_PRESS_MASK;
new_event.key.length = 0;
new_event.key.string = nullptr;
new_event.key.hardware_keycode = 0;
new_event.key.group = 0;
gdk_event_put(&new_event);
}
gboolean entry_key_press_cb(GtkEntry *entry, GdkEventKey *event, keybind_info *info) {
const guint modifiers = event->state & gtk_accelerator_get_default_mod_mask();
gboolean ret = FALSE;
if (modifiers == GDK_CONTROL_MASK) {
switch (event->keyval) {
case GDK_KEY_bracketleft:
ret = TRUE;
break;
}
}
switch (event->keyval) {
case GDK_KEY_BackSpace:
if (info->panel.mode == overlay_mode::urlselect && info->panel.fulltext) {
size_t slen = strlen(info->panel.fulltext);
if (info->panel.fulltext != nullptr && slen > 0)
info->panel.fulltext[slen-1] = '\0';
gtk_widget_queue_draw(info->panel.da);
}
break;
case GDK_KEY_0:
case GDK_KEY_1:
case GDK_KEY_2:
case GDK_KEY_3:
case GDK_KEY_4:
case GDK_KEY_5:
case GDK_KEY_6:
case GDK_KEY_7:
case GDK_KEY_8:
case GDK_KEY_9:
if (info->panel.mode == overlay_mode::urlselect) {
const char *const text = gtk_entry_get_text(entry);
size_t len = strlen(text);
free(info->panel.fulltext);
info->panel.fulltext = g_strndup(text, len + 1);
info->panel.fulltext[len] = (char)event->keyval;
size_t urld = static_cast<size_t>(info->panel.url_list.size());
size_t textd = strtoul(info->panel.fulltext, nullptr, 10);
size_t url_dig = static_cast<size_t>(
log10(static_cast<double>(info->panel.url_list.size())) + 1);
size_t text_dig = static_cast<size_t>(
log10(static_cast<double>(textd)) + 1);
if (url_dig == text_dig ||
textd > static_cast<size_t>(static_cast<double>(urld)/10)) {
launch_url(info->config.browser, info->panel.fulltext, &info->panel);
ret = TRUE;
} else {
gtk_widget_queue_draw(info->panel.da);
}
}
break;
case GDK_KEY_Tab:
synthesize_keypress(GTK_WIDGET(entry), GDK_KEY_Down);
return TRUE;
case GDK_KEY_ISO_Left_Tab:
synthesize_keypress(GTK_WIDGET(entry), GDK_KEY_Up);
return TRUE;
case GDK_KEY_Down:
// this stops the down key from leaving the GtkEntry...
event->hardware_keycode = 0;
break;
case GDK_KEY_Escape:
ret = TRUE;
break;
case GDK_KEY_Return: {
const char *const text = gtk_entry_get_text(entry);
switch (info->panel.mode) {
case overlay_mode::search:
search(info->vte, text, false);
break;
case overlay_mode::rsearch:
search(info->vte, text, true);
break;
case overlay_mode::completion:
vte_terminal_feed_child(info->vte, text, -1);
break;
case overlay_mode::urlselect:
launch_url(info->config.browser, text, &info->panel);
break;
case overlay_mode::hidden:
break;
}
ret = TRUE;
}
}
if (ret) {
if (info->panel.mode == overlay_mode::urlselect) {
gtk_widget_hide(info->panel.da);
info->panel.url_list.clear();
free(info->panel.fulltext);
info->panel.fulltext = nullptr;
}
info->panel.mode = overlay_mode::hidden;
gtk_widget_hide(info->panel.entry);
gtk_widget_grab_focus(GTK_WIDGET(info->vte));
}
return ret;
}
gboolean position_overlay_cb(GtkBin *overlay, GtkWidget *widget, GdkRectangle *alloc) {
GtkWidget *vte = gtk_bin_get_child(overlay);
const int width = gtk_widget_get_allocated_width(vte);
const int height = gtk_widget_get_allocated_height(vte);
GtkRequisition req;
gtk_widget_get_preferred_size(widget, nullptr, &req);
alloc->x = width - req.width - 40;
alloc->y = 0;
alloc->width = std::min(width, req.width);
alloc->height = std::min(height, req.height);
return TRUE;
}
gboolean button_press_cb(VteTerminal *vte, GdkEventButton *event, const config_info *info) {
if (info->clickable_url && event->type == GDK_BUTTON_PRESS) {
#if VTE_CHECK_VERSION (0, 49, 1)
auto match = make_unique(vte_terminal_hyperlink_check_event(vte, (GdkEvent*)event), g_free);
if (!match) {
match = make_unique(check_match(vte, event), g_free);
}
#else
auto match = make_unique(check_match(vte, event), g_free);
#endif
if (!match)
return FALSE;
if (event->button == 1) {
launch_browser(info->browser, match.get());
} else if (event->button == 3) {
GtkClipboard *clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
gtk_clipboard_set_text(clipboard, match.get(), -1);
}
return TRUE;
}
return FALSE;
}
static void bell_cb(GtkWidget *vte, gboolean *urgent_on_bell) {
if (*urgent_on_bell) {
gtk_window_set_urgency_hint(GTK_WINDOW(gtk_widget_get_toplevel(vte)), TRUE);
}
}
gboolean focus_cb(GtkWindow *window) {
gtk_window_set_urgency_hint(window, FALSE);
return FALSE;
}
/* }}} */
GtkTreeModel *create_completion_model(VteTerminal *vte) {
GtkListStore *store = gtk_list_store_new(1, G_TYPE_STRING);
long end_row, end_col;
vte_terminal_get_cursor_position(vte, &end_col, &end_row);
auto content = get_text_range(vte, 0, 0, end_row, end_col);
if (!content) {
g_printerr("no content returned for completion\n");
return GTK_TREE_MODEL(store);
}
auto less = [](const char *a, const char *b) { return strcmp(a, b) < 0; };
std::set<const char *, decltype(less)> tokens(less);
for (char *s_ptr = content.get(), *saveptr; ; s_ptr = nullptr) {
const char *token = strtok_r(s_ptr, " \n\t", &saveptr);
if (!token) {
break;
}
tokens.insert(token);
}
for (const char *token : tokens) {
GtkTreeIter iter;
gtk_list_store_append(store, &iter);
gtk_list_store_set(store, &iter, 0, token, -1);
}
return GTK_TREE_MODEL(store);
}
void search(VteTerminal *vte, const char *pattern, bool reverse) {
auto terminal_search = reverse ? vte_terminal_search_find_previous : vte_terminal_search_find_next;
VteRegex *regex = vte_terminal_search_get_regex(vte);
if (regex) vte_regex_unref(regex);
vte_terminal_search_set_regex(vte,
vte_regex_new_for_search(pattern,
(gssize) strlen(pattern),
PCRE2_MULTILINE | PCRE2_CASELESS,
nullptr), 0);
if (!terminal_search(vte)) {
vte_terminal_unselect_all(vte);
terminal_search(vte);
}
vte_terminal_copy_primary(vte);
}
void overlay_show(search_panel_info *info, overlay_mode mode, VteTerminal *vte) {
if (vte) {
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);
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(info->entry);
gtk_widget_grab_focus(info->entry);
}
void get_vte_padding(VteTerminal *vte, int *left, int *top, int *right, int *bottom) {
GtkBorder border;
gtk_style_context_get_padding(gtk_widget_get_style_context(GTK_WIDGET(vte)),
gtk_widget_get_state_flags(GTK_WIDGET(vte)),
&border);
*left = border.left;
*right = border.right;
*top = border.top;
*bottom = border.bottom;
}
char *check_match(VteTerminal *vte, GdkEventButton *event) {
int tag;
return vte_terminal_match_check_event(vte, (GdkEvent*) event, &tag);
}
/* {{{ CONFIG LOADING */
template<typename T>
maybe<T> get_config(T (*get)(GKeyFile *, const char *, const char *, GError **),
GKeyFile *config, const char *group, const char *key) {
GError *error = nullptr;
maybe<T> value = get(config, group, key, &error);
if (error) {
g_error_free(error);
return {};
}
return value;
}
auto get_config_integer(std::bind(get_config<int>, g_key_file_get_integer,
_1, _2, _3));
auto get_config_string(std::bind(get_config<char *>, g_key_file_get_string,
_1, _2, _3));
auto get_config_double(std::bind(get_config<double>, g_key_file_get_double,
_1, _2, _3));
static maybe<GdkRGBA> get_config_color(GKeyFile *config, const char *section, const char *key) {
if (auto s = get_config_string(config, section, key)) {
GdkRGBA color;
if (gdk_rgba_parse(&color, *s)) {
g_free(*s);
return color;
}
g_printerr("invalid color string: %s\n", *s);
g_free(*s);
}
return {};
}
static maybe<cairo_pattern_t *>
get_config_cairo_color(GKeyFile *config, const char *group, const char *key) {
if (auto color = get_config_color(config, group, key)) {
return cairo_pattern_create_rgba(color->red,
color->green,
color->blue,
color->alpha);
}
return {};
}
static void load_theme(GtkWindow *window, VteTerminal *vte, GKeyFile *config, hint_info &hints) {
std::array<GdkRGBA, 256> palette;
char color_key[] = "color000";
for (unsigned i = 0; i < palette.size(); i++) {
snprintf(color_key, sizeof(color_key), "color%u", i);
if (auto color = get_config_color(config, "colors", color_key)) {
palette[i] = *color;
} else if (i < 16) {
palette[i].blue = (((i & 4) ? 0xc000 : 0) + (i > 7 ? 0x3fff: 0)) / 65535.0;
palette[i].green = (((i & 2) ? 0xc000 : 0) + (i > 7 ? 0x3fff : 0)) / 65535.0;
palette[i].red = (((i & 1) ? 0xc000 : 0) + (i > 7 ? 0x3fff : 0)) / 65535.0;
palette[i].alpha = 0;
} else if (i < 232) {
const unsigned j = i - 16;
const unsigned r = j / 36, g = (j / 6) % 6, b = j % 6;
const unsigned red = (r == 0) ? 0 : r * 40 + 55;
const unsigned green = (g == 0) ? 0 : g * 40 + 55;
const unsigned blue = (b == 0) ? 0 : b * 40 + 55;
palette[i].red = (red | red << 8) / 65535.0;
palette[i].green = (green | green << 8) / 65535.0;
palette[i].blue = (blue | blue << 8) / 65535.0;
palette[i].alpha = 0;
} else if (i < 256) {
const unsigned shade = 8 + (i - 232) * 10;
palette[i].red = palette[i].green = palette[i].blue = (shade | shade << 8) / 65535.0;
palette[i].alpha = 0;
}
}
vte_terminal_set_colors(vte, nullptr, nullptr, palette.data(), palette.size());
if (auto color = get_config_color(config, "colors", "foreground")) {
vte_terminal_set_color_foreground(vte, &*color);
vte_terminal_set_color_bold(vte, &*color);
}
if (auto color = get_config_color(config, "colors", "foreground_bold")) {
vte_terminal_set_color_bold(vte, &*color);
}
if (auto color = get_config_color(config, "colors", "background")) {
vte_terminal_set_color_background(vte, &*color);
override_background_color(GTK_WIDGET(window), &*color);
}
if (auto color = get_config_color(config, "colors", "cursor")) {
vte_terminal_set_color_cursor(vte, &*color);
}
if (auto color = get_config_color(config, "colors", "cursor_foreground")) {
vte_terminal_set_color_cursor_foreground(vte, &*color);
}
if (auto color = get_config_color(config, "colors", "highlight")) {
vte_terminal_set_color_highlight(vte, &*color);
}
if (auto s = get_config_string(config, "hints", "font")) {
hints.font = pango_font_description_from_string(*s);
g_free(*s);
}
hints.fg = get_config_cairo_color(config, "hints", "foreground").get_value_or(cairo_pattern_create_rgb(1, 1, 1));
hints.bg = get_config_cairo_color(config, "hints", "background").get_value_or(cairo_pattern_create_rgb(0, 0, 0));
hints.af = get_config_cairo_color(config, "hints", "active_foreground").get_value_or(cairo_pattern_create_rgb(0.9, 0.5, 0.5));
hints.ab = get_config_cairo_color(config, "hints", "active_background").get_value_or(cairo_pattern_create_rgb(0, 0, 0));
hints.border = get_config_cairo_color(config, "hints", "border").get_value_or(hints.fg);
hints.padding = get_config_double(config, "hints", "padding", 5).get_value_or(2.0);
hints.border_width = get_config_double(config, "hints", "border_width").get_value_or(1.0);
hints.roundness = get_config_double(config, "hints", "roundness").get_value_or(1.5);
}
static void bind_key(char* key_name, command_id command) {
accelerator a = key_name;
auto iter = bindings.find(a);
if (iter != bindings.end())
g_printerr("duplicate accelerator binding of '%s'\n", key_name);
bindings[a] = command;
}
static void load_config(GtkWindow *window, VteTerminal *vte, GtkWidget *scrollbar,
GtkWidget *hbox, config_info *info, char **icon,
bool *show_scrollbar) {
const std::string default_path = "/termite/config";
GKeyFile *config = g_key_file_new();
GError *error = nullptr;
gboolean loaded = FALSE;
if (info->config_file) {
loaded = g_key_file_load_from_file(config,
info->config_file,
G_KEY_FILE_NONE, &error);
if (!loaded)
g_printerr("%s parsing failed: %s\n", info->config_file,
error->message);
}
if (!loaded) {
loaded = g_key_file_load_from_file(config,
(g_get_user_config_dir() + default_path).c_str(),
G_KEY_FILE_NONE, &error);
if (!loaded)
g_printerr("%s parsing failed: %s\n", (g_get_user_config_dir() + default_path).c_str(),
error->message);
}
for (const char *const *dir = g_get_system_config_dirs();
!loaded && *dir; dir++) {
loaded = g_key_file_load_from_file(config, (*dir + default_path).c_str(),
G_KEY_FILE_NONE, &error);
if (!loaded)
g_printerr("%s parsing failed: %s\n", (*dir + default_path).c_str(),
error->message);
}
if (loaded) {
set_config(window, vte, scrollbar, hbox, info, icon, show_scrollbar, config);
}
g_key_file_free(config);
}
static void set_config(GtkWindow *window, VteTerminal *vte, GtkWidget *scrollbar, GtkWidget *hbox,
config_info *info, char **icon, bool *show_scrollbar_ptr,
GKeyFile *config) {
auto cfg_bool = [config](const char *key, gboolean value) {
return get_config<gboolean>(g_key_file_get_boolean,
config, "options", key).get_value_or(value);
};
vte_terminal_set_scroll_on_output(vte, cfg_bool("scroll_on_output", FALSE));
vte_terminal_set_scroll_on_keystroke(vte, cfg_bool("scroll_on_keystroke", TRUE));
vte_terminal_set_audible_bell(vte, cfg_bool("audible_bell", FALSE));
vte_terminal_set_mouse_autohide(vte, cfg_bool("mouse_autohide", FALSE));
vte_terminal_set_allow_bold(vte, cfg_bool("allow_bold", TRUE));
vte_terminal_search_set_wrap_around(vte, cfg_bool("search_wrap", TRUE));
#if VTE_CHECK_VERSION (0, 49, 1)
vte_terminal_set_allow_hyperlink(vte, cfg_bool("hyperlinks", FALSE));
#endif
#if VTE_CHECK_VERSION (0, 51, 2)
vte_terminal_set_bold_is_bright(vte, cfg_bool("bold_is_bright", TRUE));
vte_terminal_set_cell_height_scale(vte, get_config_double(config, "options", "cell_height_scale").get_value_or(1.0));
vte_terminal_set_cell_width_scale(vte, get_config_double(config, "options", "cell_width_scale").get_value_or(1.0));
#endif
info->dynamic_title = cfg_bool("dynamic_title", TRUE);
info->urgent_on_bell = cfg_bool("urgent_on_bell", TRUE);
info->clickable_url = cfg_bool("clickable_url", TRUE);
info->size_hints = cfg_bool("size_hints", FALSE);
info->filter_unmatched_urls = cfg_bool("filter_unmatched_urls", TRUE);
info->modify_other_keys = cfg_bool("modify_other_keys", FALSE);
info->fullscreen = cfg_bool("fullscreen", TRUE);
info->font_scale = vte_terminal_get_font_scale(vte);
g_free(info->browser);
info->browser = nullptr;
if (auto s = get_config_string(config, "options", "browser")) {
info->browser = *s;
} else {
info->browser = g_strdup(g_getenv("BROWSER"));
}
if (!info->browser) {
info->browser = g_strdup("xdg-open");
}
if (info->clickable_url) {
info->tag = vte_terminal_match_add_regex(vte,
vte_regex_new_for_match(url_regex,
(gssize) strlen(url_regex),
PCRE2_MULTILINE | PCRE2_NOTEMPTY,
nullptr),
0);
vte_terminal_match_set_cursor_name(vte, info->tag, "hand");
} else if (info->tag != -1) {
vte_terminal_match_remove(vte, info->tag);
info->tag = -1;
}
if (auto s = get_config_string(config, "options", "font")) {
PangoFontDescription *font = pango_font_description_from_string(*s);
vte_terminal_set_font(vte, font);
pango_font_description_free(font);
g_free(*s);
}
if (auto i = get_config_integer(config, "options", "scrollback_lines")) {
vte_terminal_set_scrollback_lines(vte, *i);
}
if (auto s = get_config_string(config, "options", "cursor_blink")) {
if (!g_ascii_strcasecmp(*s, "system")) {
vte_terminal_set_cursor_blink_mode(vte, VTE_CURSOR_BLINK_SYSTEM);
} else if (!g_ascii_strcasecmp(*s, "on")) {
vte_terminal_set_cursor_blink_mode(vte, VTE_CURSOR_BLINK_ON);
} else if (!g_ascii_strcasecmp(*s, "off")) {
vte_terminal_set_cursor_blink_mode(vte, VTE_CURSOR_BLINK_OFF);
}
g_free(*s);
}
if (auto s = get_config_string(config, "options", "cursor_shape")) {
if (!g_ascii_strcasecmp(*s, "block")) {
vte_terminal_set_cursor_shape(vte, VTE_CURSOR_SHAPE_BLOCK);
} else if (!g_ascii_strcasecmp(*s, "ibeam")) {
vte_terminal_set_cursor_shape(vte, VTE_CURSOR_SHAPE_IBEAM);
} else if (!g_ascii_strcasecmp(*s, "underline")) {
vte_terminal_set_cursor_shape(vte, VTE_CURSOR_SHAPE_UNDERLINE);
}
g_free(*s);
}
if (icon) {
if (auto s = get_config_string(config, "options", "icon_name")) {
*icon = *s;
}
}
if (info->size_hints) {
set_size_hints(GTK_WINDOW(window), vte);
}
bool show_scrollbar = false;
if (auto s = get_config_string(config, "options", "scrollbar")) {
// "off" is implicitly handled by default
if (!g_ascii_strcasecmp(*s, "left")) {
show_scrollbar = true;
gtk_box_reorder_child(GTK_BOX(hbox), scrollbar, 0);
} else if (!g_ascii_strcasecmp(*s, "right")) {
show_scrollbar = true;
gtk_box_reorder_child(GTK_BOX(hbox), scrollbar, -1);
}
g_free(*s);
}
if (show_scrollbar) {
gtk_widget_show(scrollbar);
} else {
gtk_widget_hide(scrollbar);
}
if (show_scrollbar_ptr != nullptr) {
*show_scrollbar_ptr = show_scrollbar;
}
bindings = default_bindings;
// find commands which have bindings overriden in config file
auto redefined_bindings = std::set<command_id>();
for(auto iter = command_names.begin(); iter!=command_names.end(); ++iter) {
auto binding = get_config_string(config, "bindings", iter->first);
if (!binding)
continue;
redefined_bindings.insert(iter->second);
}
// remove bindings for overridden commands
for(auto iter = default_bindings.begin(); iter!=default_bindings.end();++iter) {
if (redefined_bindings.find(iter->second)!=redefined_bindings.end())
bindings.erase(iter->first);
}
// update bindings from config file
for(auto iter = command_names.begin(); iter!=command_names.end(); ++iter) {
auto binding = get_config_string(config, "bindings", iter->first);
if (!binding)
continue;
auto binding_str = *binding;
// split on spaces
size_t s=0;
for(size_t i=0; binding_str[i]!=0; i++) {
if(binding_str[i]==' ') {
binding_str[i]=0;
bind_key(binding_str+s,iter->second);
s=i+1;
}
}
bind_key(binding_str+s,iter->second);
}
load_theme(window, vte, config, info->hints);
}/*}}}*/
static void exit_with_status(VteTerminal *, int status) {
gtk_main_quit();
exit(WIFEXITED(status) ? WEXITSTATUS(status) : EXIT_FAILURE);
}
static void exit_with_success(VteTerminal *) {
gtk_main_quit();
exit(EXIT_SUCCESS);
}
static char *get_user_shell_with_fallback() {
if (const char *env = g_getenv("SHELL") ) {
if (!((env != NULL) && (env[0] == '\0')))
return g_strdup(env);
}
if (char *command = vte_get_user_shell()) {
if (!((command != NULL) && (command[0] == '\0')))
return command;
}
return g_strdup("/bin/sh");
}
static void on_alpha_screen_changed(GtkWindow *window, GdkScreen *, void *) {
GdkScreen *screen = gtk_widget_get_screen(GTK_WIDGET(window));
GdkVisual *visual = gdk_screen_get_rgba_visual(screen);
if (!visual)
visual = gdk_screen_get_system_visual(screen);
gtk_widget_set_visual(GTK_WIDGET(window), visual);
}
int main(int argc, char **argv) {
GError *error = nullptr;
const char *const term = "xterm-color";
char *directory = nullptr;
gboolean version = FALSE, hold = FALSE;
GOptionContext *context = g_option_context_new(nullptr);
char *role = nullptr, *execute = nullptr, *config_file = nullptr;
char *title = nullptr, *icon = nullptr;
bool show_scrollbar = false;
const GOptionEntry entries[] = {
{"version", 'v', 0, G_OPTION_ARG_NONE, &version, "Version info", nullptr},
{"exec", 'e', 0, G_OPTION_ARG_STRING, &execute, "Command to execute", "COMMAND"},
{"role", 'r', 0, G_OPTION_ARG_STRING, &role, "The role to use", "ROLE"},
{"title", 't', 0, G_OPTION_ARG_STRING, &title, "Window title", "TITLE"},
{"directory", 'd', 0, G_OPTION_ARG_STRING, &directory, "Change to directory", "DIRECTORY"},
{"hold", 0, 0, G_OPTION_ARG_NONE, &hold, "Remain open after child process exits", nullptr},
{"config", 'c', 0, G_OPTION_ARG_STRING, &config_file, "Path of config file", "CONFIG"},
{"icon", 'i', 0, G_OPTION_ARG_STRING, &icon, "Icon", "ICON"},
{nullptr, 0, 0, G_OPTION_ARG_NONE, nullptr, nullptr, nullptr}
};
g_option_context_add_main_entries(context, entries, nullptr);
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);
g_clear_error (&error);
return EXIT_FAILURE;
}
g_option_context_free(context);
if (version) {
g_print("termite %s\n", TERMITE_VERSION);
return EXIT_SUCCESS;
}
if (directory) {
if (chdir(directory) == -1) {
perror("chdir");
return EXIT_FAILURE;
}
g_free(directory);
}
GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
GtkWidget *panel_overlay = gtk_overlay_new();
GtkWidget *hint_overlay = gtk_overlay_new();
GtkWidget *vte_widget = vte_terminal_new();
VteTerminal *vte = VTE_TERMINAL(vte_widget);
GtkWidget *hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
gtk_style_context_add_class(gtk_widget_get_style_context(hbox),"termite");
GtkWidget *scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(vte_widget)));
gtk_box_pack_start(GTK_BOX(hbox), hint_overlay, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(hbox), scrollbar, FALSE, FALSE, 0);
if (role) {
gtk_window_set_role(GTK_WINDOW(window), role);
g_free(role);
}
char **command_argv;
char *default_argv[2] = {nullptr, nullptr};
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 EXIT_FAILURE;
}
command_argv = argvp;
} else {
default_argv[0] = get_user_shell_with_fallback();
command_argv = default_argv;
}
keybind_info info {
GTK_WINDOW(window), vte,
{gtk_entry_new(),
gtk_drawing_area_new(),
overlay_mode::hidden,
std::vector<url_data>(),
nullptr},
{vi_mode::insert, 0, 0, 0, 0},
{{nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, 0, 0, 0},
nullptr, FALSE, FALSE, FALSE, FALSE, TRUE, FALSE, FALSE, -1, config_file, 0},
gtk_window_fullscreen
};
load_config(GTK_WINDOW(window), vte, scrollbar, hbox, &info.config,
icon ? nullptr : &icon, &show_scrollbar);
reload_config = [&]{
load_config(GTK_WINDOW(window), vte, scrollbar, hbox, &info.config,
nullptr, nullptr);
};
signal(SIGUSR1, [](int){ reload_config(); });
GdkRGBA transparent {0, 0, 0, 0};
override_background_color(hint_overlay, &transparent);
override_background_color(info.panel.da, &transparent);
gtk_widget_set_halign(info.panel.da, GTK_ALIGN_FILL);
gtk_widget_set_valign(info.panel.da, GTK_ALIGN_FILL);
gtk_overlay_add_overlay(GTK_OVERLAY(hint_overlay), info.panel.da);
gtk_widget_set_margin_start(info.panel.entry, 5);
gtk_widget_set_margin_end(info.panel.entry, 5);
gtk_widget_set_margin_top(info.panel.entry, 5);
gtk_widget_set_margin_bottom(info.panel.entry, 5);
gtk_overlay_add_overlay(GTK_OVERLAY(panel_overlay), info.panel.entry);
gtk_widget_set_halign(info.panel.entry, GTK_ALIGN_START);
gtk_widget_set_valign(info.panel.entry, GTK_ALIGN_END);
gtk_container_add(GTK_CONTAINER(panel_overlay), hbox);
gtk_container_add(GTK_CONTAINER(hint_overlay), vte_widget);
gtk_container_add(GTK_CONTAINER(window), panel_overlay);
if (!hold) {
g_signal_connect(vte, "child-exited", G_CALLBACK(exit_with_status), nullptr);
}
g_signal_connect(window, "destroy", G_CALLBACK(exit_with_success), nullptr);
g_signal_connect(vte, "key-press-event", G_CALLBACK(key_press_cb), &info);
g_signal_connect(info.panel.entry, "key-press-event", G_CALLBACK(entry_key_press_cb), &info);
g_signal_connect(panel_overlay, "get-child-position", G_CALLBACK(position_overlay_cb), nullptr);
g_signal_connect(vte, "button-press-event", G_CALLBACK(button_press_cb), &info.config);
g_signal_connect(vte, "bell", G_CALLBACK(bell_cb), &info.config.urgent_on_bell);
draw_cb_info draw_cb_info{vte, &info.panel, &info.config.hints, info.config.filter_unmatched_urls};
g_signal_connect_swapped(info.panel.da, "draw", G_CALLBACK(draw_cb), &draw_cb_info);
g_signal_connect(window, "focus-in-event", G_CALLBACK(focus_cb), nullptr);
g_signal_connect(window, "focus-out-event", G_CALLBACK(focus_cb), nullptr);
on_alpha_screen_changed(GTK_WINDOW(window), nullptr, nullptr);
g_signal_connect(window, "screen-changed", G_CALLBACK(on_alpha_screen_changed), nullptr);
if (info.config.fullscreen) {
g_signal_connect(window, "window-state-event", G_CALLBACK(window_state_cb), &info);
}
if (title) {
info.config.dynamic_title = FALSE;
gtk_window_set_title(GTK_WINDOW(window), title);
g_free(title);
} else {
g_signal_connect(vte, "window-title-changed", G_CALLBACK(window_title_cb),
&info.config.dynamic_title);
if (execute) {
gtk_window_set_title(GTK_WINDOW(window), execute);
} else {
window_title_cb(vte, &info.config.dynamic_title);
}
}
if (icon) {
gtk_window_set_icon_name(GTK_WINDOW(window), icon);
g_free(icon);
}
gtk_widget_grab_focus(vte_widget);
gtk_widget_show_all(window);
gtk_widget_hide(info.panel.entry);
gtk_widget_hide(info.panel.da);
if (!show_scrollbar) {
gtk_widget_hide(scrollbar);
}
char **env = g_get_environ();
#ifdef GDK_WINDOWING_X11
if (GDK_IS_X11_SCREEN(gtk_widget_get_screen(window))) {
GdkWindow *gdk_window = gtk_widget_get_window(window);
if (!gdk_window) {
g_printerr("no window\n");
return EXIT_FAILURE;
}
char xid_s[std::numeric_limits<long unsigned>::digits10 + 1];
snprintf(xid_s, sizeof(xid_s), "%lu", GDK_WINDOW_XID(gdk_window));
env = g_environ_setenv(env, "WINDOWID", xid_s, TRUE);
}
#endif
env = g_environ_setenv(env, "TERM", term, TRUE);
GPid child_pid;
if (vte_terminal_spawn_sync(vte, VTE_PTY_DEFAULT, nullptr, command_argv, env,
G_SPAWN_SEARCH_PATH, nullptr, nullptr, &child_pid, nullptr,
&error)) {
vte_terminal_watch_child(vte, child_pid);
} else {
g_printerr("the command failed to run: %s\n", error->message);
return EXIT_FAILURE;
}
int width, height, padding_left, padding_top, padding_right, padding_bottom;
const long char_width = vte_terminal_get_char_width(vte);
const long char_height = vte_terminal_get_char_height(vte);
gtk_window_get_size(GTK_WINDOW(window), &width, &height);
get_vte_padding(vte, &padding_left, &padding_top, &padding_right, &padding_bottom);
vte_terminal_set_size(vte,
(width - padding_left - padding_right) / char_width,
(height - padding_top - padding_bottom) / char_height);
g_strfreev(env);
gtk_main();
return EXIT_FAILURE; // child process did not cause termination
}
// vim: et:sts=4:sw=4:cino=(0:cc=100