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Diffstat (limited to '')
| -rw-r--r-- | src/terminal-tab-label.cc | 395 |
1 files changed, 395 insertions, 0 deletions
diff --git a/src/terminal-tab-label.cc b/src/terminal-tab-label.cc new file mode 100644 index 0000000..88af5d4 --- /dev/null +++ b/src/terminal-tab-label.cc @@ -0,0 +1,395 @@ +/* + * Copyright © 2001 Havoc Pennington + * Copyright © 2007, 2008 Christian Persch + * + * 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/>. + */ + +#include "config.h" + +#include <glib.h> +#include <glib/gi18n.h> +#include <gtk/gtk.h> + +#include "terminal-intl.hh" +#include "terminal-tab-label.hh" +#include "terminal-icon-button.hh" +#include "terminal-window.hh" + +#define TERMINAL_TAB_LABEL_GET_PRIVATE(tab_label)(G_TYPE_INSTANCE_GET_PRIVATE ((tab_label), TERMINAL_TYPE_TAB_LABEL, TerminalTabLabelPrivate)) + +#define SPACING (4) + +struct _TerminalTabLabelPrivate +{ + TerminalScreen *screen; + GtkWidget *label; + GtkWidget *close_button; + gboolean bold; + GtkPositionType tab_pos; +}; + +enum +{ + PROP_0, + PROP_SCREEN +}; + +enum +{ + CLOSE_BUTTON_CLICKED, + LAST_SIGNAL +}; + +static guint signals[LAST_SIGNAL]; + +G_DEFINE_TYPE (TerminalTabLabel, terminal_tab_label, GTK_TYPE_BOX); + +/* helper functions */ + +static void +close_button_clicked_cb (GtkWidget *widget, + TerminalTabLabel *tab_label) +{ + g_signal_emit (tab_label, signals[CLOSE_BUTTON_CLICKED], 0); +} + +static void +sync_tab_label (TerminalScreen *screen, + GParamSpec *pspec, + GtkWidget *label) +{ + GtkWidget *hbox; + const char *title; + TerminalWindow *window; + + title = terminal_screen_get_title (screen); + hbox = gtk_widget_get_parent (label); + + gtk_label_set_text (GTK_LABEL (label), + title && title[0] ? title : _("Terminal")); + + gtk_widget_set_tooltip_text (hbox, title); + + /* This call updates the window size: bug 732588. + * FIXMEchpe: This is probably a GTK+ bug, should get them fix it. + */ + window = TERMINAL_WINDOW (gtk_widget_get_ancestor (GTK_WIDGET (label), + TERMINAL_TYPE_WINDOW)); + if (window != nullptr) + terminal_window_update_size (window); +} + +static void +notify_tab_pos_cb (GtkNotebook *notebook, + GParamSpec *pspec G_GNUC_UNUSED, + TerminalTabLabel *label) +{ + TerminalTabLabelPrivate *priv = label->priv; + GtkPositionType pos; + + pos = gtk_notebook_get_tab_pos (notebook); + if (pos == priv->tab_pos) + return; + + priv->tab_pos = pos; + + switch (pos) { + case GTK_POS_LEFT: + case GTK_POS_RIGHT: + gtk_widget_hide (priv->close_button); + break; + case GTK_POS_TOP: + case GTK_POS_BOTTOM: + gtk_widget_show (priv->close_button); + break; + } +} + +/* public functions */ + +/* Class implementation */ + +static void +terminal_tab_label_parent_set (GtkWidget *widget, + GtkWidget *old_parent) +{ + GtkWidget *parent; + void (* parent_set) (GtkWidget *, GtkWidget *) = GTK_WIDGET_CLASS (terminal_tab_label_parent_class)->parent_set; + + if (GTK_IS_NOTEBOOK (old_parent)) { + g_signal_handlers_disconnect_by_func (old_parent, + (void*)notify_tab_pos_cb, + widget); + } + + if (parent_set) + parent_set (widget, old_parent); + + parent = gtk_widget_get_parent (widget); + if (GTK_IS_NOTEBOOK (parent)) { + notify_tab_pos_cb (GTK_NOTEBOOK (parent), nullptr, TERMINAL_TAB_LABEL (widget)); + g_signal_connect (parent, "notify::tab-pos", + G_CALLBACK (notify_tab_pos_cb), widget); + } +} + +static void +terminal_tab_label_get_preferred_width (GtkWidget *widget, + int *minimum_width, + int *natural_width) +{ + TerminalTabLabel *tab_label = TERMINAL_TAB_LABEL (widget); + TerminalTabLabelPrivate *priv = tab_label->priv; + + if (priv->tab_pos == GTK_POS_LEFT || + priv->tab_pos == GTK_POS_RIGHT) { + if (natural_width) + *natural_width = 160; + if (minimum_width) + *minimum_width = 160; + } + else + GTK_WIDGET_CLASS (terminal_tab_label_parent_class)->get_preferred_width (widget, minimum_width, natural_width); +} + +static void +terminal_tab_label_init (TerminalTabLabel *tab_label) +{ + TerminalTabLabelPrivate *priv; + + priv = tab_label->priv = TERMINAL_TAB_LABEL_GET_PRIVATE (tab_label); + + priv->tab_pos = (GtkPositionType) -1; /* invalid */ +} + +static void +terminal_tab_label_constructed (GObject *object) +{ + TerminalTabLabel *tab_label = TERMINAL_TAB_LABEL (object); + TerminalTabLabelPrivate *priv = tab_label->priv; + GtkWidget *hbox, *label, *close_button; + + G_OBJECT_CLASS (terminal_tab_label_parent_class)->constructed (object); + + hbox = GTK_WIDGET (tab_label); + + g_assert (priv->screen != nullptr); + + gtk_box_set_spacing (GTK_BOX (hbox), SPACING); + + priv->label = label = gtk_label_new (nullptr); + gtk_widget_set_halign (label, GTK_ALIGN_CENTER); + gtk_widget_set_valign (label, GTK_ALIGN_BASELINE); + gtk_widget_set_margin_start (label, 0); + gtk_widget_set_margin_end (label, 0); + gtk_widget_set_margin_top (label, 0); + gtk_widget_set_margin_bottom (label, 0); + + gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END); + gtk_label_set_single_line_mode (GTK_LABEL (label), TRUE); + + gtk_box_set_center_widget (GTK_BOX (hbox), label); + + priv->close_button = close_button = terminal_close_button_new (); + gtk_widget_set_tooltip_text (close_button, _("Close tab")); + gtk_box_pack_end (GTK_BOX (hbox), close_button, FALSE, FALSE, 0); + + sync_tab_label (priv->screen, nullptr, label); + g_signal_connect (priv->screen, "notify::title", + G_CALLBACK (sync_tab_label), label); + + g_signal_connect (close_button, "clicked", + G_CALLBACK (close_button_clicked_cb), tab_label); + + gtk_widget_show_all (hbox); +} + +static void +terminal_tab_label_dispose (GObject *object) +{ + TerminalTabLabel *tab_label = TERMINAL_TAB_LABEL (object); + TerminalTabLabelPrivate *priv = tab_label->priv; + + if (priv->screen != nullptr) { + g_signal_handlers_disconnect_by_func (priv->screen, + (void*)sync_tab_label, + priv->label); + g_object_unref (priv->screen); + priv->screen = nullptr; + } + + G_OBJECT_CLASS (terminal_tab_label_parent_class)->dispose (object); +} + +static void +terminal_tab_label_finalize (GObject *object) +{ +// TerminalTabLabel *tab_label = TERMINAL_TAB_LABEL (object); + + G_OBJECT_CLASS (terminal_tab_label_parent_class)->finalize (object); +} + +static void +terminal_tab_label_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + TerminalTabLabel *tab_label = TERMINAL_TAB_LABEL (object); + + switch (prop_id) { + case PROP_SCREEN: + g_value_set_object (value, terminal_tab_label_get_screen (tab_label)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +terminal_tab_label_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + TerminalTabLabel *tab_label = TERMINAL_TAB_LABEL (object); + TerminalTabLabelPrivate *priv = tab_label->priv; + + switch (prop_id) { + case PROP_SCREEN: + priv->screen = (TerminalScreen*)g_value_dup_object (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +terminal_tab_label_class_init (TerminalTabLabelClass *klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); + + gobject_class->constructed = terminal_tab_label_constructed; + gobject_class->dispose = terminal_tab_label_dispose; + gobject_class->finalize = terminal_tab_label_finalize; + gobject_class->get_property = terminal_tab_label_get_property; + gobject_class->set_property = terminal_tab_label_set_property; + + widget_class->parent_set = terminal_tab_label_parent_set; + widget_class->get_preferred_width = terminal_tab_label_get_preferred_width; + + signals[CLOSE_BUTTON_CLICKED] = + g_signal_new (I_("close-button-clicked"), + G_OBJECT_CLASS_TYPE (gobject_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (TerminalTabLabelClass, close_button_clicked), + nullptr, nullptr, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, + 0); + + g_object_class_install_property + (gobject_class, + PROP_SCREEN, + g_param_spec_object ("screen", nullptr, nullptr, + TERMINAL_TYPE_SCREEN, + GParamFlags(G_PARAM_READWRITE | + G_PARAM_STATIC_NAME | + G_PARAM_STATIC_NICK | + G_PARAM_STATIC_BLURB | + G_PARAM_CONSTRUCT_ONLY))); + + g_type_class_add_private (gobject_class, sizeof (TerminalTabLabelPrivate)); +} + +/* public API */ + +/** + * terminal_tab_label_new: + * @screen: a #TerminalScreen + * + * Returns: a new #TerminalTabLabel for @screen + */ +GtkWidget * +terminal_tab_label_new (TerminalScreen *screen) +{ + return reinterpret_cast<GtkWidget*> + (g_object_new (TERMINAL_TYPE_TAB_LABEL, + "orientation", GTK_ORIENTATION_HORIZONTAL, + "screen", screen, + nullptr)); +} + +/** + * terminal_tab_label_set_bold: + * @tab_label: a #TerminalTabLabel + * @bold: whether to enable label bolding + * + * Sets the tab label text bold, or unbolds it. + */ +void +terminal_tab_label_set_bold (TerminalTabLabel *tab_label, + gboolean bold) +{ + TerminalTabLabelPrivate *priv = tab_label->priv; + PangoAttrList *attr_list; + PangoAttribute *weight_attr; + gboolean free_list = FALSE; + + bold = bold != FALSE; + if (priv->bold == bold) + return; + + priv->bold = bold; + + attr_list = gtk_label_get_attributes (GTK_LABEL (priv->label)); + if (!attr_list) { + attr_list = pango_attr_list_new (); + free_list = TRUE; + } + + if (bold) + weight_attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD); + else + weight_attr = pango_attr_weight_new (PANGO_WEIGHT_NORMAL); + + /* gtk_label_get_attributes() returns the label's internal list, + * which we're probably not supposed to modify directly. + * It seems to work ok however. + */ + pango_attr_list_change (attr_list, weight_attr); + + gtk_label_set_attributes (GTK_LABEL (priv->label), attr_list); + + if (free_list) + pango_attr_list_unref (attr_list); +} + +/** + * terminal_tab_label_get_screen: + * @tab_label: a #TerminalTabLabel + * + * Returns: (transfer none): the #TerminalScreen for @tab_label + */ +TerminalScreen * +terminal_tab_label_get_screen (TerminalTabLabel *tab_label) +{ + g_return_val_if_fail (TERMINAL_IS_TAB_LABEL (tab_label), nullptr); + + return tab_label->priv->screen; +} |