[Xfce4-commits] <xfce4-settings:master> Only store connected outputs
Nick Schermer
noreply at xfce.org
Sat Aug 28 23:04:42 CEST 2010
Updating branch refs/heads/master
to 1f0803d8b9dc41627de78b6a2cbdceee45b4f53d (commit)
from fc3fc69e9198463f2c70d5cea28b2f71fe8e6782 (commit)
commit 1f0803d8b9dc41627de78b6a2cbdceee45b4f53d
Author: Lionel Le Folgoc <mrpouit at gmail.com>
Date: Fri Jun 25 20:42:28 2010 +0200
Only store connected outputs
This will avoid lots of loops to get the number of connected outputs, and
repeated tests to check that an output is connected before using it.
dialogs/display-settings/main.c | 113 +++++---------------
dialogs/display-settings/xfce-randr.c | 188 +++++++++++++++-----------------
dialogs/display-settings/xfce-randr.h | 12 ++-
3 files changed, 122 insertions(+), 191 deletions(-)
diff --git a/dialogs/display-settings/main.c b/dialogs/display-settings/main.c
index 3e10ff0..b390b71 100644
--- a/dialogs/display-settings/main.c
+++ b/dialogs/display-settings/main.c
@@ -137,29 +137,6 @@ display_setting_combo_box_get_value (GtkComboBox *combobox,
-static gint
-display_setting_get_n_active_outputs (void)
-{
- gint noutput;
-
- noutput = 0;
-
- if (xfce_randr)
- {
- gint i;
-
- for (i = 0; i < xfce_randr->resources->noutput; i++)
- {
- if (xfce_randr->status[i] != XFCE_OUTPUT_STATUS_NONE)
- noutput++;
- }
- }
-
- return noutput;
-}
-
-
-
#ifdef HAS_RANDR_ONE_POINT_TWO
static void
display_setting_reflections_changed (GtkComboBox *combobox,
@@ -528,7 +505,7 @@ display_setting_output_toggled (GtkToggleButton *togglebutton,
if (!xfce_randr)
return;
- if (display_setting_get_n_active_outputs () > 1)
+ if (xfce_randr->noutput > 1)
{
GObject *radio;
radio = gtk_builder_get_object (builder, "randr-on");
@@ -560,7 +537,7 @@ display_setting_output_status_populate (GtkBuilder *builder)
if (!xfce_randr)
return;
- if (display_setting_get_n_active_outputs () <= 1)
+ if (xfce_randr->noutput <= 1)
return;
radio_on = gtk_builder_get_object (builder, "randr-on");
@@ -619,6 +596,9 @@ display_settings_treeview_selection_changed (GtkTreeSelection *selection,
static void
display_settings_treeview_populate (GtkBuilder *builder)
{
+#ifdef HAS_RANDR_ONE_POINT_TWO
+ guint m;
+#endif
gint n;
GtkListStore *store;
GObject *treeview;
@@ -650,39 +630,35 @@ display_settings_treeview_populate (GtkBuilder *builder)
#ifdef HAS_RANDR_ONE_POINT_TWO
if (xfce_randr)
{
- /* walk all the outputs */
- for (n = 0; n < xfce_randr->resources->noutput; n++)
+ /* walk all the connected outputs */
+ for (m = 0; m < xfce_randr->noutput; ++m)
{
- /* only show screen that are primary or secondary */
- if (xfce_randr->status[n] == XFCE_OUTPUT_STATUS_NONE)
- continue;
-
/* get a friendly name for the output */
name = xfce_randr_friendly_name (xfce_randr,
- xfce_randr->resources->outputs[n],
- xfce_randr->output_info[n]->name);
+ xfce_randr->resources->outputs[m],
+ xfce_randr->output_info[m]->name);
- if (xfce_randr->mode[n] == None && lucent_display_icon == NULL)
+ if (xfce_randr->mode[m] == None && lucent_display_icon == NULL)
lucent_display_icon =
exo_gdk_pixbuf_lucent (display_icon, 50);
/* insert the output in the store */
gtk_list_store_append (store, &iter);
- if (xfce_randr->mode[n] == None)
+ if (xfce_randr->mode[m] == None)
gtk_list_store_set (store, &iter,
COLUMN_OUTPUT_NAME, name,
COLUMN_OUTPUT_ICON, lucent_display_icon,
- COLUMN_OUTPUT_ID, n, -1);
+ COLUMN_OUTPUT_ID, m, -1);
else
gtk_list_store_set (store, &iter,
COLUMN_OUTPUT_NAME, name,
COLUMN_OUTPUT_ICON, display_icon,
- COLUMN_OUTPUT_ID, n, -1);
+ COLUMN_OUTPUT_ID, m, -1);
g_free (name);
/* select active output */
- if (n == xfce_randr->active_output)
+ if (m == xfce_randr->active_output)
gtk_tree_selection_select_iter (selection, &iter);
}
}
@@ -813,7 +789,7 @@ display_settings_dialog_new (GtkBuilder *builder)
if (xfce_randr != NULL)
{
radio = gtk_builder_get_object (builder, "randr-on");
- if (display_setting_get_n_active_outputs () > 1)
+ if (xfce_randr->noutput > 1)
{
gtk_widget_show (GTK_WIDGET (radio));
g_signal_connect (G_OBJECT (radio), "toggled", G_CALLBACK (display_setting_output_toggled), builder);
@@ -824,7 +800,7 @@ display_settings_dialog_new (GtkBuilder *builder)
}
radio = gtk_builder_get_object (builder, "randr-off");
- if (display_setting_get_n_active_outputs () > 1)
+ if (xfce_randr->noutput > 1)
{
gtk_widget_show (GTK_WIDGET (radio));
g_signal_connect (G_OBJECT (radio), "toggled", G_CALLBACK (display_setting_output_toggled), builder);
@@ -902,27 +878,14 @@ display_settings_minimal_dialog_response (GtkDialog *dialog,
gboolean use_first_screen;
gboolean use_second_screen;
gboolean use_both;
- gint first, second;
+ guint first, second;
gint m, n, found;
if (response_id == 1)
{
- /* OK */
-
- first = second = -1;
-
- for (n = 0; n < xfce_randr->resources->noutput; n++)
- {
- if (xfce_randr->status[n] != XFCE_OUTPUT_STATUS_NONE)
- {
- if (first < 0)
- first = n;
- else if (second < 0)
- second = n;
- else
- break;
- }
- }
+ /* TODO: handle correctly more than 2 outputs? */
+ first = 0;
+ second = 1;
first_screen_radio = gtk_builder_get_object (builder, "radiobutton1");
second_screen_radio = gtk_builder_get_object (builder, "radiobutton2");
@@ -999,7 +962,7 @@ main (gint argc, gchar **argv)
GdkDisplay *display;
gboolean succeeded = TRUE;
gint event_base, error_base;
- guint ui_ret;
+ guint first, second;
/* setup translation domain */
xfce_textdomain (GETTEXT_PACKAGE, LOCALEDIR, "UTF-8");
@@ -1157,39 +1120,17 @@ main (gint argc, gchar **argv)
}
else
{
- gint n;
- gint first, second;
-
- if (xfce_randr->resources->noutput < 2 || xfce_randr == NULL)
+ if (xfce_randr->noutput < 2 || xfce_randr == NULL)
goto err1;
- first = second = -1;
-
- for (n = 0; n < xfce_randr->resources->noutput; n++)
- {
- if (xfce_randr->status[n] != XFCE_OUTPUT_STATUS_NONE)
- {
- if (first < 0)
- first = n;
- else if (second < 0)
- second = n;
- else
- break;
- }
- }
-
- if (first < 0 || second < 0)
- goto err1;
+ /* TODO: handle correctly more than 2 outputs? */
+ first = 0;
+ second = 1;
builder = gtk_builder_new ();
- ui_ret =
- gtk_builder_add_from_string (builder,
- minimal_display_dialog_ui,
- minimal_display_dialog_ui_length,
- &error);
-
- if (ui_ret != 0)
+ if (gtk_builder_add_from_string (builder, minimal_display_dialog_ui,
+ minimal_display_dialog_ui_length, &error) != 0)
{
GObject *first_screen_radio;
GObject *second_screen_radio;
diff --git a/dialogs/display-settings/xfce-randr.c b/dialogs/display-settings/xfce-randr.c
index c855bc6..ae87c30 100644
--- a/dialogs/display-settings/xfce-randr.c
+++ b/dialogs/display-settings/xfce-randr.c
@@ -40,24 +40,21 @@ static void
xfce_randr_list_clone_modes (XfceRandr *randr)
{
GArray *clone_modes;
- gint l, m, n, candidate, found;
- guint i;
+ gint l, n, candidate, found;
+ guint m;
- clone_modes = g_array_new (FALSE, FALSE, sizeof (RRMode));
+ clone_modes = g_array_new (TRUE, FALSE, sizeof (RRMode));
/* walk all available modes */
- for (n = 0; n < randr->resources->nmode; n++)
+ for (n = 0; n < randr->resources->nmode; ++n)
{
candidate = TRUE;
- /* walk all active outputs */
- for (m = 0; m < randr->resources->noutput; m++)
+ /* walk all connected outputs */
+ for (m = 0; m < randr->noutput; ++m)
{
- if (randr->status[m] == XFCE_OUTPUT_STATUS_NONE)
- continue;
-
found = FALSE;
/* walk supported modes from this output */
- for (l = 0; l < randr->output_info[m]->nmode; l++)
+ for (l = 0; l < randr->output_info[m]->nmode; ++l)
{
if (randr->resources->modes[n].id == randr->output_info[m]->modes[l])
{
@@ -76,12 +73,7 @@ xfce_randr_list_clone_modes (XfceRandr *randr)
}
/* return a "normal" array (last value -> None) */
- randr->clone_modes = g_new0 (RRMode, clone_modes->len + 1);
-
- for (i = 0; i < clone_modes->len; i++)
- randr->clone_modes[i] = g_array_index (clone_modes, RRMode, i);
-
- g_array_free (clone_modes, TRUE);
+ randr->clone_modes = (RRMode *) g_array_free (clone_modes, FALSE);
}
@@ -89,28 +81,17 @@ xfce_randr_list_clone_modes (XfceRandr *randr)
static Rotation
xfce_randr_get_safe_rotations (XfceRandr *randr,
Display *xdisplay,
- GdkWindow *root_window,
- gint num_output)
+ guint num_output)
{
- XRRScreenConfiguration *screen_config;
- XRRCrtcInfo *crtc_info;
- gint n;
- Rotation dummy, rot;
+ XRRCrtcInfo *crtc_info;
+ Rotation rot;
+ gint n;
- g_return_val_if_fail (num_output >= 0
- && num_output < randr->resources->noutput,
- RR_Rotate_0);
-
- if (randr->output_info[num_output]->ncrtc < 1)
- {
- screen_config = XRRGetScreenInfo (xdisplay, GDK_WINDOW_XID (root_window));
- rot = XRRConfigRotations (screen_config, &dummy);
- XRRFreeScreenConfigInfo (screen_config);
- return rot;
- }
+ g_return_val_if_fail (num_output < randr->noutput, RR_Rotate_0);
+ g_return_val_if_fail (randr->output_info[num_output]->ncrtc > 0, RR_Rotate_0);
rot = XFCE_RANDR_ROTATIONS_MASK | XFCE_RANDR_REFLECTIONS_MASK;
- for (n = 0; n < randr->output_info[num_output]->ncrtc; n++)
+ for (n = 0; n < randr->output_info[num_output]->ncrtc; ++n)
{
crtc_info = XRRGetCrtcInfo (xdisplay, randr->resources,
randr->output_info[num_output]->crtcs[n]);
@@ -167,76 +148,88 @@ xfce_randr_populate (XfceRandr *randr,
Display *xdisplay,
GdkWindow *root_window)
{
- XRRCrtcInfo *crtc_info;
- gint n;
+ GPtrArray *outputs;
+ XRROutputInfo *output_info;
+ XRRCrtcInfo *crtc_info;
+ gint n;
+ guint m;
g_return_val_if_fail (randr != NULL, FALSE);
g_return_val_if_fail (randr->resources != NULL, FALSE);
- /* allocate space for the settings */
- randr->mode = g_new0 (RRMode, randr->resources->noutput);
- randr->modes = g_new0 (XfceRRMode *, randr->resources->noutput);
- randr->rotation = g_new0 (Rotation, randr->resources->noutput);
- randr->rotations = g_new0 (Rotation, randr->resources->noutput);
- randr->position = g_new0 (XfceOutputPosition, randr->resources->noutput);
- randr->status = g_new0 (XfceOutputStatus, randr->resources->noutput);
- randr->output_info = g_new0 (XRROutputInfo *, randr->resources->noutput);
+ /* prepare the temporary cache */
+ outputs = g_ptr_array_new_with_free_func ((GDestroyNotify) XRRFreeOutputInfo);
/* walk the outputs */
- for (n = 0; n < randr->resources->noutput; n++)
+ for (n = 0; n < randr->resources->noutput; ++n)
{
- /* reset */
- randr->status[n] = XFCE_OUTPUT_STATUS_NONE;
-
/* get the output info */
- randr->output_info[n] = XRRGetOutputInfo (xdisplay, randr->resources, randr->resources->outputs[n]);
+ output_info = XRRGetOutputInfo (xdisplay, randr->resources,
+ randr->resources->outputs[n]);
- /* check if the device is really a randr 1.2 device */
- if (n == 0 && strcmp (randr->output_info[n]->name, "default") == 0)
+ /* forget about disconnected outputs */
+ if (output_info->connection != RR_Connected)
{
- /* make sure we don't free the not yet allocated outputs */
- for (n++; n < randr->resources->noutput; n++)
- {
- randr->output_info[n] = NULL;
- randr->modes[n] = NULL;
- }
+ XRRFreeOutputInfo (output_info);
+ continue;
+ }
+ /* cache it */
+ g_ptr_array_add (outputs, output_info);
+
+ /* check if the device is really a randr 1.2 device */
+ if (n == 0 && strcmp (output_info->name, "default") == 0)
+ {
+ /* free the cache */
+ g_ptr_array_unref (outputs);
return FALSE;
}
+ }
+
+ /* migrate the temporary cache */
+ randr->noutput = outputs->len;
+ randr->output_info = (XRROutputInfo **) g_ptr_array_free (outputs, FALSE);
+ /* allocate final space for the settings */
+ randr->mode = g_new0 (RRMode, randr->noutput);
+ randr->modes = g_new0 (XfceRRMode *, randr->noutput);
+ randr->rotation = g_new0 (Rotation, randr->noutput);
+ randr->rotations = g_new0 (Rotation, randr->noutput);
+ randr->position = g_new0 (XfceOutputPosition, randr->noutput);
+ randr->status = g_new0 (XfceOutputStatus, randr->noutput);
+
+ /* walk the connected outputs */
+ for (m = 0; m < randr->noutput; ++m)
+ {
/* fill in supported modes */
- randr->modes[n] = xfce_randr_list_supported_modes (randr->resources, randr->output_info[n]);
+ randr->modes[m] = xfce_randr_list_supported_modes (randr->resources, randr->output_info[m]);
- /* do not query disconnected outputs */
- if (randr->output_info[n]->connection == RR_Connected)
- {
#ifdef HAS_RANDR_ONE_POINT_THREE
- /* find the primary screen if supported */
- if (randr->has_1_3 && XRRGetOutputPrimary (xdisplay, GDK_WINDOW_XID (root_window)) == randr->resources->outputs[n])
- randr->status[n] = XFCE_OUTPUT_STATUS_PRIMARY;
- else
+ /* find the primary screen if supported */
+ if (randr->has_1_3 && XRRGetOutputPrimary (xdisplay, GDK_WINDOW_XID (root_window)) == randr->resources->outputs[m])
+ randr->status[m] = XFCE_OUTPUT_STATUS_PRIMARY;
+ else
#endif
- randr->status[n] = XFCE_OUTPUT_STATUS_SECONDARY;
+ randr->status[m] = XFCE_OUTPUT_STATUS_SECONDARY;
- if (randr->output_info[n]->crtc != None)
- {
- crtc_info = XRRGetCrtcInfo (xdisplay, randr->resources,
- randr->output_info[n]->crtc);
- randr->mode[n] = crtc_info->mode;
- randr->rotation[n] = crtc_info->rotation;
- randr->rotations[n] = crtc_info->rotations;
- randr->position[n].x = crtc_info->x;
- randr->position[n].y = crtc_info->y;
- XRRFreeCrtcInfo (crtc_info);
- continue;
- }
+ if (randr->output_info[m]->crtc != None)
+ {
+ crtc_info = XRRGetCrtcInfo (xdisplay, randr->resources,
+ randr->output_info[m]->crtc);
+ randr->mode[m] = crtc_info->mode;
+ randr->rotation[m] = crtc_info->rotation;
+ randr->rotations[m] = crtc_info->rotations;
+ randr->position[m].x = crtc_info->x;
+ randr->position[m].y = crtc_info->y;
+ XRRFreeCrtcInfo (crtc_info);
+ }
+ else
+ {
+ /* output disabled */
+ randr->mode[m] = None;
+ randr->rotation[m] = RR_Rotate_0;
+ randr->rotations[m] = xfce_randr_get_safe_rotations (randr, xdisplay, m);
}
-
- /* output either disabled or disconnected */
- randr->mode[n] = None;
- randr->rotation[n] = RR_Rotate_0;
- randr->rotations[n] = xfce_randr_get_safe_rotations (randr, xdisplay,
- root_window, n);
}
/* clone modes: same RRModes present for all outputs */
@@ -309,10 +302,10 @@ xfce_randr_new (GdkDisplay *display,
static void
xfce_randr_cleanup (XfceRandr *randr)
{
- gint n;
+ guint n;
/* free the output/mode info cache */
- for (n = 0; n < randr->resources->noutput; n++)
+ for (n = 0; n < randr->noutput; ++n)
{
if (G_LIKELY (randr->output_info[n]))
XRRFreeOutputInfo (randr->output_info[n]);
@@ -382,7 +375,7 @@ static void
xfce_randr_save_device (XfceRandr *randr,
const gchar *scheme,
XfconfChannel *channel,
- gint output,
+ guint output,
const gchar *distinct)
{
gchar property[512];
@@ -482,7 +475,7 @@ xfce_randr_save (XfceRandr *randr,
XfconfChannel *channel)
{
gchar property[512];
- gint n, num_outputs = 0;
+ guint n;
g_return_if_fail (XFCONF_IS_CHANNEL (channel));
@@ -490,20 +483,16 @@ xfce_randr_save (XfceRandr *randr,
g_snprintf (property, sizeof (property), "/%s/Layout", scheme);
xfconf_channel_set_string (channel, property, "Outputs");
- /* parse all outputs */
- for (n = 0; n < randr->resources->noutput; n++)
+ /* save connected outputs */
+ for (n = 0; n < randr->noutput; ++n)
{
- /* do not save disconnected ones */
- if (randr->status[n] != XFCE_OUTPUT_STATUS_NONE)
- {
- g_snprintf (property, sizeof (property), "Output%d", num_outputs++);
- xfce_randr_save_device (randr, scheme, channel, n, property);
- }
+ g_snprintf (property, sizeof (property), "Output%u", n);
+ xfce_randr_save_device (randr, scheme, channel, n, property);
}
/* store the number of outputs saved */
g_snprintf (property, sizeof (property), "/%s/NumOutputs", scheme);
- xfconf_channel_set_int (channel, property, num_outputs);
+ xfconf_channel_set_int (channel, property, randr->noutput);
/* tell the helper to apply this theme */
xfconf_channel_set_string (channel, "/Schemes/Apply", scheme);
@@ -606,14 +595,13 @@ xfce_randr_friendly_name (XfceRandr *randr,
XfceRRMode *
xfce_randr_find_mode_by_id (XfceRandr *randr,
- gint output,
+ guint output,
RRMode id)
{
gint n;
g_return_val_if_fail (randr != NULL, NULL);
- g_return_val_if_fail (output >= 0 && output < randr->resources->noutput,
- NULL);
+ g_return_val_if_fail (output < randr->noutput, NULL);
if (id == None)
return NULL;
diff --git a/dialogs/display-settings/xfce-randr.h b/dialogs/display-settings/xfce-randr.h
index d01a017..28c3732 100644
--- a/dialogs/display-settings/xfce-randr.h
+++ b/dialogs/display-settings/xfce-randr.h
@@ -55,7 +55,6 @@ typedef enum _XfceOutputStatus XfceOutputStatus;
enum _XfceOutputStatus
{
- XFCE_OUTPUT_STATUS_NONE,
XFCE_OUTPUT_STATUS_PRIMARY,
XFCE_OUTPUT_STATUS_SECONDARY
};
@@ -89,16 +88,19 @@ struct _XfceRandr
XRRScreenResources *resources;
/* the active selected layout */
- gint active_output;
+ guint active_output;
+
+ /* number of connected outputs */
+ guint noutput;
/* cache for the output/mode info */
XRROutputInfo **output_info;
XfceRRMode **modes;
- /* modes common to all enabled outputs */
+ /* modes common to all connected outputs */
RRMode *clone_modes;
- /* selected settings for all outputs */
+ /* selected settings for all connected outputs */
RRMode *mode;
Rotation *rotation;
Rotation *rotations;
@@ -128,7 +130,7 @@ gchar *xfce_randr_friendly_name (XfceRandr *randr,
const gchar *name);
XfceRRMode *xfce_randr_find_mode_by_id (XfceRandr *randr,
- gint output,
+ guint output,
RRMode id);
#endif /* !HAS_RANDR_ONE_POINT_TWO */
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