diff options
Diffstat (limited to 'src/interface-gtk/interface-gtk.cpp')
| -rw-r--r-- | src/interface-gtk/interface-gtk.cpp | 120 |
1 files changed, 113 insertions, 7 deletions
diff --git a/src/interface-gtk/interface-gtk.cpp b/src/interface-gtk/interface-gtk.cpp index ebd3c91..7938131 100644 --- a/src/interface-gtk/interface-gtk.cpp +++ b/src/interface-gtk/interface-gtk.cpp @@ -25,6 +25,7 @@ #include <glib.h> #include <glib/gprintf.h> +#include <glib/gstdio.h> /* * FIXME: Because of gdk_threads_enter(). @@ -42,11 +43,11 @@ #include <gio/gio.h> -#include "gtk-info-popup.h" - #include <Scintilla.h> #include <ScintillaWidget.h> +#include "gtk-info-popup.h" + #include "sciteco.h" #include "string-utils.h" #include "cmdline.h" @@ -84,7 +85,24 @@ static gboolean sigterm_handler(gpointer user_data) G_GNUC_UNUSED; } /* extern "C" */ -#define UNNAMED_FILE "(Unnamed)" +#define UNNAMED_FILE "(Unnamed)" + +#define USER_CSS_FILE ".teco_css" + +/** printf() format for CSS RGB colors given as guint32 */ +#define CSS_COLOR_FORMAT "#%06" G_GINT32_MODIFIER "X" + +/** + * Convert Scintilla-style BGR color triple to + * RGB. + */ +static inline guint32 +bgr2rgb(guint32 bgr) +{ + return ((bgr & 0x0000FF) << 16) | + ((bgr & 0x00FF00) << 0) | + ((bgr & 0xFF0000) >> 16); +} void ViewGtk::initialize_impl(void) @@ -189,6 +207,7 @@ InterfaceGtk::main_impl(int &argc, char **&argv) * FIXME: At lease on Gtk 3.12 we could disable the subtitle. */ info_bar_widget = gtk_header_bar_new(); + gtk_widget_set_name(info_bar_widget, "sciteco-info-bar"); info_image = gtk_image_new(); gtk_header_bar_pack_start(GTK_HEADER_BAR(info_bar_widget), info_image); if (use_csd) { @@ -214,6 +233,7 @@ InterfaceGtk::main_impl(int &argc, char **&argv) gtk_box_pack_start(GTK_BOX(vbox), overlay_widget, TRUE, TRUE, 0); message_bar_widget = gtk_info_bar_new(); + gtk_widget_set_name(message_bar_widget, "sciteco-message-bar"); message_bar_content = gtk_info_bar_get_content_area(GTK_INFO_BAR(message_bar_widget)); message_widget = gtk_label_new(""); gtk_misc_set_alignment(GTK_MISC(message_widget), 0., 0.); @@ -221,6 +241,7 @@ InterfaceGtk::main_impl(int &argc, char **&argv) gtk_box_pack_start(GTK_BOX(vbox), message_bar_widget, FALSE, FALSE, 0); cmdline_widget = gtk_entry_new(); + gtk_widget_set_name(cmdline_widget, "sciteco-cmdline"); gtk_entry_set_has_frame(GTK_ENTRY(cmdline_widget), FALSE); gtk_editable_set_editable(GTK_EDITABLE(cmdline_widget), FALSE); widget_set_font(cmdline_widget, "Courier"); @@ -236,6 +257,7 @@ InterfaceGtk::main_impl(int &argc, char **&argv) * filling the entire width. */ popup_widget = gtk_info_popup_new(); + gtk_widget_set_name(popup_widget, "sciteco-info-popup"); gtk_overlay_add_overlay(GTK_OVERLAY(overlay_widget), popup_widget); g_signal_connect(overlay_widget, "get-child-position", G_CALLBACK(gtk_info_popup_get_position_in_overlay), NULL); @@ -248,8 +270,13 @@ InterfaceGtk::main_impl(int &argc, char **&argv) void InterfaceGtk::vmsg_impl(MessageType type, const gchar *fmt, va_list ap) { + /* + * The message types are chosen such that there is a CSS class + * for every one of them. GTK_MESSAGE_OTHER does not have + * a CSS class. + */ static const GtkMessageType type2gtk[] = { - /* [MSG_USER] = */ GTK_MESSAGE_OTHER, + /* [MSG_USER] = */ GTK_MESSAGE_QUESTION, /* [MSG_INFO] = */ GTK_MESSAGE_INFO, /* [MSG_WARNING] = */ GTK_MESSAGE_WARNING, /* [MSG_ERROR] = */ GTK_MESSAGE_ERROR @@ -285,7 +312,7 @@ InterfaceGtk::msg_clear(void) gdk_threads_enter(); gtk_info_bar_set_message_type(GTK_INFO_BAR(message_bar_widget), - GTK_MESSAGE_OTHER); + GTK_MESSAGE_QUESTION); gtk_label_set_text(GTK_LABEL(message_widget), ""); gdk_threads_leave(); @@ -482,6 +509,38 @@ InterfaceGtk::widget_set_font(GtkWidget *widget, const gchar *font_name) } void +InterfaceGtk::set_css_variables_from_view(ViewGtk *view) +{ + gchar buffer[256]; + + /* + * Generates a CSS that sets some predefined color variables. + * This effectively "exports" Scintilla styles into the CSS + * world. + * Those colors are used by the fallback.css shipping with SciTECO + * in order to apply the SciTECO-controlled color scheme to all the + * predefined UI elements. + * They can also be used in user-customizations. + */ + g_snprintf(buffer, sizeof(buffer), + "@define-color sciteco_default_fg_color " CSS_COLOR_FORMAT ";" + "@define-color sciteco_default_bg_color " CSS_COLOR_FORMAT ";" + "@define-color sciteco_calltip_fg_color " CSS_COLOR_FORMAT ";" + "@define-color sciteco_calltip_bg_color " CSS_COLOR_FORMAT ";", + bgr2rgb(view->ssm(SCI_STYLEGETFORE, STYLE_DEFAULT)), + bgr2rgb(view->ssm(SCI_STYLEGETBACK, STYLE_DEFAULT)), + bgr2rgb(view->ssm(SCI_STYLEGETFORE, STYLE_CALLTIP)), + bgr2rgb(view->ssm(SCI_STYLEGETBACK, STYLE_CALLTIP))); + + /* + * The GError and return value has been deprecated. + * A CSS parsing error would point to a programming + * error anyway. + */ + gtk_css_provider_load_from_data(css_var_provider, buffer, -1, NULL); +} + +void InterfaceGtk::event_loop_impl(void) { static const gchar *icon_files[] = { @@ -491,6 +550,10 @@ InterfaceGtk::event_loop_impl(void) NULL }; + GdkScreen *default_screen = gdk_screen_get_default(); + GtkCssProvider *user_css_provider; + gchar *config_path, *user_css_file; + GList *icon_list = NULL; GThread *thread; @@ -516,6 +579,41 @@ InterfaceGtk::event_loop_impl(void) refresh_info(); /* + * Initialize the CSS variable provider and the CSS provider + * for the included fallback.css. + * NOTE: The return value of gtk_css_provider_load() is deprecated. + * Instead we could register for the "parsing-error" signal. + * For the time being we just silently ignore parsing errors. + * They will be printed to stderr by Gtk anyway. + */ + css_var_provider = gtk_css_provider_new(); + if (current_view) + /* set CSS variables initially */ + set_css_variables_from_view(current_view); + gtk_style_context_add_provider_for_screen(default_screen, + GTK_STYLE_PROVIDER(css_var_provider), + GTK_STYLE_PROVIDER_PRIORITY_APPLICATION); + user_css_provider = gtk_css_provider_new(); + /* get path of $SCITECOCONFIG/.teco_css */ + config_path = QRegisters::globals["$SCITECOCONFIG"]->get_string(); + user_css_file = g_build_filename(config_path, USER_CSS_FILE, NIL); + if (g_file_test(user_css_file, G_FILE_TEST_IS_REGULAR)) + /* open user CSS */ + gtk_css_provider_load_from_path(user_css_provider, + user_css_file, NULL); + else + /* use fallback CSS */ + gtk_css_provider_load_from_path(user_css_provider, + SCITECODATADIR G_DIR_SEPARATOR_S + "fallback.css", + NULL); + g_free(user_css_file); + g_free(config_path); + gtk_style_context_add_provider_for_screen(default_screen, + GTK_STYLE_PROVIDER(user_css_provider), + GTK_STYLE_PROVIDER_PRIORITY_USER); + + /* * When changing views, the new widget is not * added immediately to avoid flickering in the GUI. * It is only updated once per key press and only @@ -702,6 +800,12 @@ InterfaceGtk::handle_key_press(bool is_shift, bool is_ctl, guint keyval) } /* + * The styles configured via Scintilla might change + * with every keypress. + */ + set_css_variables_from_view(current_view); + + /* * The info area is updated very often and setting the * window title each time it is updated is VERY costly. * So we set it here once after every keypress even if the @@ -739,8 +843,7 @@ InterfaceGtk::handle_key_press(bool is_shift, bool is_ctl, guint keyval) InterfaceGtk::~InterfaceGtk() { g_free(info_current); - if (popup_widget) - gtk_widget_destroy(popup_widget); + if (window) gtk_widget_destroy(window); @@ -754,6 +857,9 @@ InterfaceGtk::~InterfaceGtk() g_async_queue_unref(event_queue); } + + if (css_var_provider) + g_object_unref(css_var_provider); } /* |