Only offer horizontal browser scrolling if useful

Motivated by small screens.
This commit is contained in:
Přemysl Eric Janouch 2022-07-21 15:31:47 +02:00
parent b067c1948b
commit d3b34cd482
Signed by: p
GPG Key ID: A0420B94F92B9493

View File

@ -156,7 +156,7 @@ relayout(FivBrowser *self, int width)
GtkBorder padding = {};
gtk_style_context_get_padding(style, GTK_STATE_FLAG_NORMAL, &padding);
int available_width = width - padding.left - padding.right;
int available_width = width - padding.left - padding.right, max_width = 0;
g_array_set_size(self->layouted_rows, 0);
// Whatever self->drag_begin_* used to point at might no longer be there,
@ -183,7 +183,10 @@ relayout(FivBrowser *self, int width)
g_array_append_val(items,
((Item) {.entry = entry, .x_offset = x + self->item_border_x}));
x += width;
if (max_width < width)
max_width = width;
}
if (items->len) {
append_row(self, &y,
@ -193,11 +196,9 @@ relayout(FivBrowser *self, int width)
g_array_free(items, TRUE);
int total_height = y + padding.bottom;
if (self->hadjustment) {
gint minimum_width = 0;
gtk_widget_get_preferred_width(widget, &minimum_width, NULL);
gtk_adjustment_set_lower(self->hadjustment, 0);
gtk_adjustment_set_upper(self->hadjustment, MAX(width, minimum_width));
gtk_adjustment_set_upper(self->hadjustment,
width + MAX(0, max_width - available_width));
gtk_adjustment_set_step_increment(self->hadjustment, width * 0.1);
gtk_adjustment_set_page_increment(self->hadjustment, width * 0.9);
gtk_adjustment_set_page_size(self->hadjustment, width);
@ -916,9 +917,12 @@ fiv_browser_get_preferred_width(GtkWidget *widget, gint *minimum, gint *natural)
GtkBorder padding = {};
gtk_style_context_get_padding(style, GTK_STATE_FLAG_NORMAL, &padding);
*minimum = *natural =
FIV_THUMBNAIL_WIDE_COEFFICIENT * self->item_height + padding.left +
2 * self->item_border_x + padding.right;
// This should ideally reflect thumbnails, but we're in a GtkScrolledWindow,
// making this rather inconsequential.
int fluff = padding.left + 2 * self->item_border_x + padding.right;
*minimum = fluff + self->item_height /* Icons are rectangular. */;
*natural = fluff + FIV_THUMBNAIL_WIDE_COEFFICIENT * self->item_height;
}
static void
@ -989,14 +993,16 @@ fiv_browser_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
GTK_WIDGET_CLASS(fiv_browser_parent_class)
->size_allocate(widget, allocation);
int height = relayout(FIV_BROWSER(widget), allocation->width);
relayout(FIV_BROWSER(widget), allocation->width);
// Avoid fresh blank space.
if (self->hadjustment) {
gtk_adjustment_set_value(
self->hadjustment, gtk_adjustment_get_value(self->hadjustment));
}
if (self->vadjustment) {
double y1 = gtk_adjustment_get_value(self->vadjustment);
double ph = gtk_adjustment_get_page_size(self->vadjustment);
if (y1 + ph > height)
gtk_adjustment_set_value(self->vadjustment, height - ph);
gtk_adjustment_set_value(
self->vadjustment, gtk_adjustment_get_value(self->vadjustment));
}
}