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display: Handle monitor scales on the arrange displays dialog

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We need to simply scale monitors' width and height where appropriate
and the API allows us.

https://bugzilla.gnome.org/show_bug.cgi?id=782785
This commit is contained in:
Rui Matos 2017-04-11 19:15:23 +02:00
parent 4b30ecb758
commit 8bf07fc414
1 changed files with 45 additions and 15 deletions
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60
panels/display/cc-display-panel.c
View file

@ -753,6 +753,13 @@ get_total_size (CcDisplayPanel *self, int *total_w, int *total_h)
get_geometry (output, NULL, NULL, &w, &h);
if (cc_display_config_is_layout_logical (self->priv->current_config))
{
double scale = cc_display_monitor_get_scale (output);
w /= scale;
h /= scale;
}
*total_w += w;
*total_h += h;
}
@ -807,12 +814,19 @@ add_edge (CcDisplayMonitor *output, int x1, int y1, int x2, int y2, GArray *edge
}
static void
list_edges_for_output (CcDisplayMonitor *output, GArray *edges)
list_edges_for_output (CcDisplayMonitor *output, GArray *edges, gboolean should_scale)
{
int x, y, w, h;
get_geometry (output, &x, &y, &w, &h);
if (should_scale)
{
double scale = cc_display_monitor_get_scale (output);
w /= scale;
h /= scale;
}
/* Top, Bottom, Left, Right */
add_edge (output, x, y, x + w, y, edges);
add_edge (output, x, y + h, x + w, y + h, edges);
@ -821,17 +835,19 @@ list_edges_for_output (CcDisplayMonitor *output, GArray *edges)
}
static void
list_edges (CcDisplayConfig *config, GArray *edges)
list_edges (CcDisplayPanel *panel, GArray *edges)
{
GList *outputs, *l;
gboolean should_scale;
outputs = cc_display_config_get_monitors (config);
should_scale = cc_display_config_is_layout_logical (panel->priv->current_config);
outputs = cc_display_config_get_monitors (panel->priv->current_config);
for (l = outputs; l != NULL; l = l->next)
{
CcDisplayMonitor *output = l->data;
list_edges_for_output (output, edges);
list_edges_for_output (output, edges, should_scale);
}
}
@ -1009,29 +1025,37 @@ output_is_aligned (CcDisplayMonitor *output, GArray *edges)
}
static void
get_output_rect (CcDisplayMonitor *output, GdkRectangle *rect)
get_output_rect (CcDisplayMonitor *output, GdkRectangle *rect, gboolean should_scale)
{
get_geometry (output, &rect->x, &rect->y, &rect->width, &rect->height);
if (should_scale)
{
double scale = cc_display_monitor_get_scale (output);
rect->height /= scale;
rect->width /= scale;
}
}
static gboolean
output_overlaps (CcDisplayMonitor *output, CcDisplayConfig *config)
output_overlaps (CcDisplayMonitor *output, CcDisplayPanel *panel)
{
GdkRectangle output_rect;
GList *outputs, *l;
gboolean should_scale;
g_assert (output != NULL);
get_output_rect (output, &output_rect);
should_scale = cc_display_config_is_layout_logical (panel->priv->current_config);
get_output_rect (output, &output_rect, should_scale);
outputs = cc_display_config_get_monitors (config);
outputs = cc_display_config_get_monitors (panel->priv->current_config);
for (l = outputs; l != NULL; l = l->next)
{
CcDisplayMonitor *o = l->data;
if (o != output)
{
GdkRectangle other_rect;
get_output_rect (o, &other_rect);
get_output_rect (o, &other_rect, should_scale);
if (gdk_rectangle_intersect (&output_rect, &other_rect, NULL))
return TRUE;
}
@ -1041,19 +1065,19 @@ output_overlaps (CcDisplayMonitor *output, CcDisplayConfig *config)
}
static gboolean
config_is_aligned (CcDisplayConfig *config, GArray *edges)
config_is_aligned (CcDisplayPanel *panel, GArray *edges)
{
gboolean result = TRUE;
GList *outputs, *l;
outputs = cc_display_config_get_monitors (config);
outputs = cc_display_config_get_monitors (panel->priv->current_config);
for (l = outputs; l != NULL; l = l->next)
{
CcDisplayMonitor *output = l->data;
if (!output_is_aligned (output, edges))
return FALSE;
if (output_overlaps (output, config))
if (output_overlaps (output, panel))
return FALSE;
}
@ -1232,7 +1256,7 @@ on_output_event (FooScrollArea *area,
snaps = g_array_new (TRUE, TRUE, sizeof (Snap));
new_edges = g_array_new (TRUE, TRUE, sizeof (Edge));
list_edges (self->priv->current_config, edges);
list_edges (self, edges);
list_snaps (output, edges, snaps);
g_array_sort (snaps, compare_snaps);
@ -1247,9 +1271,9 @@ on_output_event (FooScrollArea *area,
cc_display_monitor_set_position (output, new_x + snap->dx, new_y + snap->dy);
g_array_set_size (new_edges, 0);
list_edges (self->priv->current_config, new_edges);
list_edges (self, new_edges);
if (config_is_aligned (self->priv->current_config, new_edges))
if (config_is_aligned (self, new_edges))
{
g_array_free (new_edges, TRUE);
break;
@ -1342,6 +1366,12 @@ on_area_paint (FooScrollArea *area,
foo_scroll_area_get_viewport (area, &viewport);
get_geometry (output, &output_x, &output_y, &w, &h);
if (cc_display_config_is_layout_logical (self->priv->current_config))
{
double scale = cc_display_monitor_get_scale (output);
w /= scale;
h /= scale;
}
viewport.height -= 2 * MARGIN;
viewport.width -= 2 * MARGIN;