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termite.cc
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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;
};
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~" },
};
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) {
const guint modifiers = event->state & gtk_accelerator_get_default_mod_mask();
if (info->config.fullscreen && event->keyval == GDK_KEY_F11 && !modifiers) {
info->fullscreen_toggle(info->window);
return TRUE;
}
if (info->select.mode != vi_mode::insert) {
if (modifiers == GDK_CONTROL_MASK) {
switch (gdk_keyval_to_lower(event->keyval)) {
case GDK_KEY_bracketleft:
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 GDK_KEY_v:
toggle_visual(vte, &info->select, vi_mode::visual_block);
break;
case GDK_KEY_Left:
move_backward_blank_word(vte, &info->select);
break;
case GDK_KEY_Right:
move_forward_blank_word(vte, &info->select);
break;
case GDK_KEY_u:
move(vte, &info->select, 0, -(vte_terminal_get_row_count(vte) / 2));
break;
case GDK_KEY_d:
move(vte, &info->select, 0, vte_terminal_get_row_count(vte) / 2);
break;
case GDK_KEY_b:
move(vte, &info->select, 0, -(vte_terminal_get_row_count(vte) - 1));
break;
case GDK_KEY_f:
move(vte, &info->select, 0, vte_terminal_get_row_count(vte) - 1);
break;
}
return TRUE;
}
if (modifiers == GDK_SHIFT_MASK) {
switch (event->keyval) {
case GDK_KEY_Left:
move_backward_word(vte, &info->select);
return TRUE;
case GDK_KEY_Right:
move_forward_word(vte, &info->select);
return TRUE;
}
}
switch (event->keyval) {
case GDK_KEY_Escape:
case GDK_KEY_q:
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 GDK_KEY_Left:
case GDK_KEY_h:
move(vte, &info->select, -1, 0);
break;
case GDK_KEY_Down:
case GDK_KEY_j:
move(vte, &info->select, 0, 1);
break;
case GDK_KEY_Up:
case GDK_KEY_k:
move(vte, &info->select, 0, -1);
break;
case GDK_KEY_Right:
case GDK_KEY_l:
move(vte, &info->select, 1, 0);
break;
case GDK_KEY_b:
move_backward_word(vte, &info->select);
break;
case GDK_KEY_B:
move_backward_blank_word(vte, &info->select);
break;
case GDK_KEY_w:
move_forward_word(vte, &info->select);
break;
case GDK_KEY_W:
move_forward_blank_word(vte, &info->select);
break;
case GDK_KEY_e:
move_forward_end_word(vte, &info->select);
break;
case GDK_KEY_E:
move_forward_end_blank_word(vte, &info->select);
break;
case GDK_KEY_0:
case GDK_KEY_Home:
set_cursor_column(vte, &info->select, 0);
break;
case GDK_KEY_asciicircum:
set_cursor_column(vte, &info->select, 0);
move_first(vte, &info->select, std::not1(std::ref(g_unichar_isspace)));
break;
case GDK_KEY_dollar:
case GDK_KEY_End:
move_to_eol(vte, &info->select);
break;
case GDK_KEY_g:
move_to_row_start(vte, &info->select, first_row(vte));
break;
case GDK_KEY_G:
move_to_row_start(vte, &info->select, last_row(vte));
break;
case GDK_KEY_H:
move_to_row_start(vte, &info->select, top_row(vte));
break;
case GDK_KEY_M:
move_to_row_start(vte, &info->select, middle_row(vte));
break;
case GDK_KEY_L:
move_to_row_start(vte, &info->select, bottom_row(vte));
break;
case GDK_KEY_v:
toggle_visual(vte, &info->select, vi_mode::visual);
break;
case GDK_KEY_V:
toggle_visual(vte, &info->select, vi_mode::visual_line);
break;
case GDK_KEY_y:
#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 GDK_KEY_slash:
overlay_show(&info->panel, overlay_mode::search, vte);
break;
case GDK_KEY_question:
overlay_show(&info->panel, overlay_mode::rsearch, vte);
break;
case GDK_KEY_n:
vte_terminal_search_find_next(vte);
vte_terminal_copy_primary(vte);
break;
case GDK_KEY_N:
vte_terminal_search_find_previous(vte);
vte_terminal_copy_primary(vte);
break;
case GDK_KEY_u:
search(vte, url_regex, false);
break;
case GDK_KEY_U:
search(vte, url_regex, true);
break;
case GDK_KEY_o:
open_selection(info->config.browser, vte);
break;
case GDK_KEY_Return:
open_selection(info->config.browser, vte);
exit_command_mode(vte, &info->select);
break;
case GDK_KEY_x:
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;
}
return TRUE;
}
if (modifiers == (GDK_CONTROL_MASK|GDK_SHIFT_MASK)) {
switch (gdk_keyval_to_lower(event->keyval)) {
case GDK_KEY_plus:
increase_font_scale(vte);
return TRUE;
case GDK_KEY_equal: