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-rw-r--r--src/interface-gtk/gtk-info-popup.gob331
1 files changed, 0 insertions, 331 deletions
diff --git a/src/interface-gtk/gtk-info-popup.gob b/src/interface-gtk/gtk-info-popup.gob
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index edc6612..0000000
--- a/src/interface-gtk/gtk-info-popup.gob
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@@ -1,331 +0,0 @@
-/*
- * Copyright (C) 2012-2017 Robin Haberkorn
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 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 General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-requires 2.0.20
-
-%ctop{
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <math.h>
-
-#include <glib/gprintf.h>
-
-#ifndef HAVE_GTK_FLOW_BOX_NEW
-#include "gtkflowbox.h"
-#endif
-
-#include "gtk-canonicalized-label.h"
-%}
-
-%h{
-#include <gtk/gtk.h>
-#include <gdk/gdk.h>
-
-#include <gio/gio.h>
-%}
-
-enum GTK_INFO_POPUP {
- PLAIN,
- FILE,
- DIRECTORY
-} Gtk:Info:Popup:Entry:Type;
-
-/*
- * NOTE: Deriving from GtkEventBox ensures that we can
- * set a background on the entire popup widget.
- */
-class Gtk:Info:Popup from Gtk:Event:Box {
- public GtkAdjustment *hadjustment;
- public GtkAdjustment *vadjustment;
-
- private GtkWidget *flow_box;
-
- init(self)
- {
- GtkWidget *box, *viewport;
-
- /*
- * A box containing a viewport and scrollbar will
- * "emulate" a scrolled window.
- * We cannot use a scrolled window since it ignores
- * the preferred height of its viewport which breaks
- * height-for-width management.
- */
- box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
-
- self->hadjustment = gtk_adjustment_new(0, 0, 0, 0, 0, 0);
- self->vadjustment = gtk_adjustment_new(0, 0, 0, 0, 0, 0);
-
- GtkWidget *scrollbar = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL,
- self->vadjustment);
- /* show/hide the scrollbar dynamically */
- g_signal_connect(self->vadjustment, "changed",
- G_CALLBACK(self_vadjustment_changed), scrollbar);
-
- self->_priv->flow_box = gtk_flow_box_new();
- /* take as little height as necessary */
- gtk_orientable_set_orientation(GTK_ORIENTABLE(self->_priv->flow_box),
- GTK_ORIENTATION_HORIZONTAL);
- //gtk_flow_box_set_homogeneous(GTK_FLOW_BOX(self->_priv->flow_box), TRUE);
- /* this for focus handling only, not for scrolling */
- gtk_flow_box_set_hadjustment(GTK_FLOW_BOX(self->_priv->flow_box),
- self->hadjustment);
- gtk_flow_box_set_vadjustment(GTK_FLOW_BOX(self->_priv->flow_box),
- self->vadjustment);
-
- viewport = gtk_viewport_new(self->hadjustment, self->vadjustment);
- gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
- gtk_container_add(GTK_CONTAINER(viewport), self->_priv->flow_box);
-
- gtk_box_pack_start(GTK_BOX(box), viewport, TRUE, TRUE, 0);
- gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
- gtk_widget_show_all(box);
-
- /*
- * NOTE: Everything shown except the top-level container.
- * Therefore a gtk_widget_show() is enough to show our popup.
- */
- gtk_container_add(GTK_CONTAINER(self), box);
- }
-
- /**
- * Allocate position in an overlay.
- *
- * This function can be used as the "get-child-position" signal
- * handler of a GtkOverlay in order to position the popup at the
- * bottom of the overlay's main child, spanning the entire width.
- * In contrast to the GtkOverlay's default allocation schemes,
- * this makes sure that the widget will not be larger than the
- * main child, so the popup properly scrolls when becoming too large
- * in height.
- *
- * @param user_data unused by this callback
- */
- public gboolean
- get_position_in_overlay(Gtk:Overlay *overlay, Gtk:Widget *widget,
- Gdk:Rectangle *allocation, gpointer user_data)
- {
- GtkWidget *main_child = gtk_bin_get_child(GTK_BIN(overlay));
- GtkAllocation main_child_alloc;
- gint natural_height;
-
- gtk_widget_get_allocation(main_child, &main_child_alloc);
- gtk_widget_get_preferred_height_for_width(widget,
- main_child_alloc.width,
- NULL, &natural_height);
-
- /*
- * FIXME: Probably due to some bug in the height-for-width
- * calculation of Gtk (at least in 3.10 or in the GtkFlowBox
- * fallback included with SciTECO), the natural height
- * is a bit too small to accommodate the entire GtkFlowBox,
- * resulting in the GtkViewport always scrolling.
- * This hack fixes it up in a NONPORTABLE manner.
- */
- natural_height += 5;
-
- allocation->width = main_child_alloc.width;
- allocation->height = MIN(natural_height, main_child_alloc.height);
- allocation->x = 0;
- allocation->y = main_child_alloc.height - allocation->height;
-
- return TRUE;
- }
-
- /*
- * Adapted from GtkScrolledWindow's gtk_scrolled_window_scroll_event()
- * since the viewport does not react to scroll events.
- * This is registered for our container widget instead of only for
- * GtkViewport since this is what GtkScrolledWindow does.
- * FIXME: May need to handle non-delta scrolling, i.e. GDK_SCROLL_UP
- * and GDK_SCROLL_DOWN.
- */
- override (Gtk:Widget) gboolean
- scroll_event(Gtk:Widget *widget, Gdk:Event:Scroll *event)
- {
- Self *self = SELF(widget);
- gdouble delta_x, delta_y;
-
- if (gdk_event_get_scroll_deltas((GdkEvent *)event,
- &delta_x, &delta_y)) {
- GtkAdjustment *adj = self->vadjustment;
- gdouble page_size = gtk_adjustment_get_page_size(adj);
- gdouble scroll_unit = pow(page_size, 2.0 / 3.0);
- gdouble new_value;
-
- new_value = CLAMP(gtk_adjustment_get_value(adj) + delta_y * scroll_unit,
- gtk_adjustment_get_lower(adj),
- gtk_adjustment_get_upper(adj) -
- gtk_adjustment_get_page_size(adj));
-
- gtk_adjustment_set_value(adj, new_value);
-
- return TRUE;
- }
-
- return FALSE;
- }
-
- private void
- vadjustment_changed(Gtk:Adjustment *vadjustment, gpointer user_data)
- {
- GtkWidget *scrollbar = GTK_WIDGET(user_data);
-
- /*
- * This shows/hides the widget using opacity instead of using
- * gtk_widget_set_visibility() since the latter would influence
- * size allocations. A widget with opacity 0 keeps its size.
- */
- gtk_widget_set_opacity(scrollbar,
- gtk_adjustment_get_upper(vadjustment) -
- gtk_adjustment_get_lower(vadjustment) >
- gtk_adjustment_get_page_size(vadjustment) ? 1 : 0);
- }
-
- public GtkWidget *
- new(void)
- {
- Self *widget = GET_NEW;
- return GTK_WIDGET(widget);
- }
-
- public GIcon *
- get_icon_for_path(const gchar *path, const gchar *fallback_name)
- {
- GFile *file;
- GFileInfo *info;
- GIcon *icon = NULL;
-
- file = g_file_new_for_path(path);
- info = g_file_query_info(file, "standard::icon", 0, NULL, NULL);
- if (info) {
- icon = g_file_info_get_icon(info);
- g_object_ref(icon);
- g_object_unref(info);
- } else {
- /* fall back to standard icon, but this can still return NULL! */
- icon = g_icon_new_for_string(fallback_name, NULL);
- }
- g_object_unref(file);
-
- return icon;
- }
-
- public void
- add(self, Gtk:Info:Popup:Entry:Type type,
- const gchar *name, gboolean highlight)
- {
- GtkWidget *hbox;
- GtkWidget *label;
-
- hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 5);
- if (highlight)
- gtk_style_context_add_class(gtk_widget_get_style_context(hbox),
- "highlight");
-
- if (type == GTK_INFO_POPUP_FILE || type == GTK_INFO_POPUP_DIRECTORY) {
- const gchar *fallback = type == GTK_INFO_POPUP_FILE ? "text-x-generic"
- : "folder";
- GIcon *icon;
-
- icon = self_get_icon_for_path(name, fallback);
- if (icon) {
- GtkWidget *image;
-
- image = gtk_image_new_from_gicon(icon, GTK_ICON_SIZE_MENU);
- g_object_unref(icon);
- gtk_box_pack_start(GTK_BOX(hbox), image,
- FALSE, FALSE, 0);
- }
- }
-
- label = gtk_canonicalized_label_new(name);
- gtk_widget_set_halign(label, GTK_ALIGN_START);
- gtk_widget_set_valign(label, GTK_ALIGN_CENTER);
-
- /*
- * FIXME: This makes little sense once we've got mouse support.
- * But for the time being, it's a useful setting.
- */
- gtk_label_set_selectable(GTK_LABEL(label), TRUE);
-
- switch (type) {
- case GTK_INFO_POPUP_PLAIN:
- gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_START);
- break;
- case GTK_INFO_POPUP_FILE:
- case GTK_INFO_POPUP_DIRECTORY:
- gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_MIDDLE);
- break;
- }
-
- gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 0);
-
- gtk_widget_show_all(hbox);
- gtk_container_add(GTK_CONTAINER(self->_priv->flow_box), hbox);
- }
-
- public void
- scroll_page(self)
- {
- GtkAdjustment *adj = self->vadjustment;
- gdouble new_value;
-
- if (gtk_adjustment_get_value(adj) + gtk_adjustment_get_page_size(adj) ==
- gtk_adjustment_get_upper(adj)) {
- /* wrap and scroll back to the top */
- new_value = gtk_adjustment_get_lower(adj);
- } else {
- /* scroll one page */
- GList *child_list;
-
- new_value = gtk_adjustment_get_value(adj) +
- gtk_adjustment_get_page_size(adj);
-
- /*
- * Adjust this so only complete entries are shown.
- * Effectively, this rounds down to the line height.
- */
- child_list = gtk_container_get_children(GTK_CONTAINER(self->_priv->flow_box));
- if (child_list) {
- new_value -= (gint)new_value %
- gtk_widget_get_allocated_height(GTK_WIDGET(child_list->data));
- g_list_free(child_list);
- }
-
- /* clip to the maximum possible value */
- new_value = MIN(new_value, gtk_adjustment_get_upper(adj));
- }
-
- gtk_adjustment_set_value(adj, new_value);
- }
-
- public void
- clear(self)
- {
- GList *children;
-
- children = gtk_container_get_children(GTK_CONTAINER(self->_priv->flow_box));
- for (GList *cur = g_list_first(children);
- cur != NULL;
- cur = g_list_next(cur))
- gtk_widget_destroy(GTK_WIDGET(cur->data));
- g_list_free(children);
- }
-}
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