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Fix tab section scrolling on overflow

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This commit is contained in:
deepend-tildeclub
2026-04-27 10:44:12 -06:00
parent aa52236c01
commit 8fcec519d0
1 changed files with 25 additions and 94 deletions
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119
src/fe-gtk/chanview-tabs.c
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@@ -61,28 +61,19 @@ static tab_scroll_animation *tab_right_animation;
*/
static inline gint
cv_tabs_get_viewport_size (GdkWindow *parent_win, gboolean vertical)
cv_tabs_get_viewport_size (GtkAdjustment *adj)
{
gint viewport_size = 0;
if (vertical)
viewport_size = gdk_window_get_height (parent_win);
else
viewport_size = gdk_window_get_width (parent_win);
return viewport_size;
return (gint) gtk_adjustment_get_page_size (adj);
}
static void
cv_tabs_sizealloc (GtkWidget *widget, GtkAllocation *allocation, chanview *cv)
{
GdkWindow *parent_win;
GtkAdjustment *adj;
GtkWidget *inner;
gint viewport_size;
inner = ((tabview *)cv)->inner;
parent_win = gtk_widget_get_window (gtk_widget_get_parent (inner));
if (cv->vertical)
{
@@ -92,16 +83,20 @@ cv_tabs_sizealloc (GtkWidget *widget, GtkAllocation *allocation, chanview *cv)
adj = gtk_scrollable_get_hadjustment (GTK_SCROLLABLE (gtk_widget_get_parent (inner)));
}
viewport_size = cv_tabs_get_viewport_size (parent_win, cv->vertical);
viewport_size = cv_tabs_get_viewport_size (adj);
if (gtk_adjustment_get_upper (adj) <= viewport_size)
{
gtk_widget_hide (((tabview *)cv)->b1);
gtk_widget_hide (((tabview *)cv)->b2);
if (((tabview *)cv)->b1)
gtk_widget_hide (((tabview *)cv)->b1);
if (((tabview *)cv)->b2)
gtk_widget_hide (((tabview *)cv)->b2);
} else
{
gtk_widget_show (((tabview *)cv)->b1);
gtk_widget_show (((tabview *)cv)->b2);
if (((tabview *)cv)->b1)
gtk_widget_show (((tabview *)cv)->b1);
if (((tabview *)cv)->b2)
gtk_widget_show (((tabview *)cv)->b2);
}
}
@@ -241,10 +236,8 @@ tab_scroll_left_up_clicked (GtkWidget *widget, chanview *cv)
gint viewport_size;
gfloat new_value;
GtkWidget *inner;
GdkWindow *parent_win;
inner = ((tabview *)cv)->inner;
parent_win = gtk_widget_get_window (gtk_widget_get_parent (inner));
if (cv->vertical)
{
@@ -254,7 +247,7 @@ tab_scroll_left_up_clicked (GtkWidget *widget, chanview *cv)
adj = gtk_scrollable_get_hadjustment (GTK_SCROLLABLE (gtk_widget_get_parent(inner)));
}
viewport_size = cv_tabs_get_viewport_size (parent_win, cv->vertical);
viewport_size = cv_tabs_get_viewport_size (adj);
new_value = tab_search_offset (inner, gtk_adjustment_get_value (adj), 0, cv->vertical);
@@ -279,10 +272,8 @@ tab_scroll_right_down_clicked (GtkWidget *widget, chanview *cv)
gint viewport_size;
gfloat new_value;
GtkWidget *inner;
GdkWindow *parent_win;
inner = ((tabview *)cv)->inner;
parent_win = gtk_widget_get_window (gtk_widget_get_parent (inner));
if (cv->vertical)
{
@@ -292,7 +283,7 @@ tab_scroll_right_down_clicked (GtkWidget *widget, chanview *cv)
adj = gtk_scrollable_get_hadjustment (GTK_SCROLLABLE (gtk_widget_get_parent(inner)));
}
viewport_size = cv_tabs_get_viewport_size (parent_win, cv->vertical);
viewport_size = cv_tabs_get_viewport_size (adj);
new_value = tab_search_offset (inner, gtk_adjustment_get_value (adj), 1, cv->vertical);
@@ -332,48 +323,10 @@ tab_scroll_cb (GtkWidget *widget, GdkEventScroll *event, gpointer cv)
return FALSE;
}
/* make a Scroll (arrow) button */
static GtkWidget *
make_sbutton (GtkArrowType type, void *click_cb, void *userdata)
{
GtkWidget *button, *arrow;
const char *icon_name = "pan-end-symbolic";
button = gtk_button_new ();
switch (type)
{
case GTK_ARROW_UP:
icon_name = "pan-up-symbolic";
break;
case GTK_ARROW_DOWN:
icon_name = "pan-down-symbolic";
break;
case GTK_ARROW_LEFT:
icon_name = "pan-start-symbolic";
break;
case GTK_ARROW_RIGHT:
default:
icon_name = "pan-end-symbolic";
break;
}
arrow = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_BUTTON);
gtk_container_add (GTK_CONTAINER (button), arrow);
gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (click_cb), userdata);
g_signal_connect (G_OBJECT (button), "scroll-event",
G_CALLBACK (tab_scroll_cb), userdata);
gtk_widget_show (arrow);
return button;
}
static void
cv_tabs_init (chanview *cv)
{
GtkWidget *box, *hbox = NULL;
GtkWidget *box;
GtkWidget *viewport;
GtkWidget *outer;
@@ -390,12 +343,19 @@ cv_tabs_init (chanview *cv)
G_CALLBACK (cv_tabs_sizealloc), cv);
gtk_widget_show (outer);
viewport = gtk_viewport_new (0, 0);
gtk_viewport_set_shadow_type (GTK_VIEWPORT (viewport), GTK_SHADOW_NONE);
viewport = gtk_scrolled_window_new (0, 0);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (viewport), GTK_SHADOW_NONE);
gtk_scrolled_window_set_overlay_scrolling (GTK_SCROLLED_WINDOW (viewport), FALSE);
if (cv->vertical)
gtk_widget_set_size_request (viewport, -1, 1);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (viewport),
GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
else
gtk_widget_set_size_request (viewport, 1, -1);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (viewport),
GTK_POLICY_ALWAYS, GTK_POLICY_NEVER);
gtk_scrolled_window_set_min_content_width (GTK_SCROLLED_WINDOW (viewport), 1);
gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (viewport), 1);
gtk_widget_set_hexpand (viewport, TRUE);
gtk_widget_set_vexpand (viewport, TRUE);
g_signal_connect (G_OBJECT (viewport), "scroll-event",
G_CALLBACK (tab_scroll_cb), cv);
gtk_box_pack_start (GTK_BOX (outer), viewport, 1, 1, 0);
@@ -413,35 +373,6 @@ cv_tabs_init (chanview *cv)
gtk_container_add (GTK_CONTAINER (viewport), box);
gtk_widget_show (box);
/* if vertical, the buttons can be side by side */
if (cv->vertical)
{
hbox = gtkutil_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 0);
gtk_box_pack_start (GTK_BOX (outer), hbox, 0, 0, 0);
gtk_widget_show (hbox);
}
/* make the Scroll buttons */
((tabview *)cv)->b2 = make_sbutton (cv->vertical ?
GTK_ARROW_UP : GTK_ARROW_LEFT,
tab_scroll_left_up_clicked,
cv);
((tabview *)cv)->b1 = make_sbutton (cv->vertical ?
GTK_ARROW_DOWN : GTK_ARROW_RIGHT,
tab_scroll_right_down_clicked,
cv);
if (hbox)
{
gtk_container_add (GTK_CONTAINER (hbox), ((tabview *)cv)->b2);
gtk_container_add (GTK_CONTAINER (hbox), ((tabview *)cv)->b1);
} else
{
gtk_box_pack_start (GTK_BOX (outer), ((tabview *)cv)->b2, 0, 0, 0);
gtk_box_pack_start (GTK_BOX (outer), ((tabview *)cv)->b1, 0, 0, 0);
}
gtk_container_add (GTK_CONTAINER (cv->box), outer);
}