There are basically three ways to refer to an output within vdagent:
- The index of the array of MonitorConfig message. This is essentially
a "spice display id"
- the index of the array of xrandr outputs. This is the "output index"
- the xrandr output id. This is the "output ID"
Previously, the "spice display id" and the "output index" were treated
as synonymous. But in order to support more complciated setups with
multiple display devices, etc, we need to differentiate these ideas more
clearly. This patch simply renames some variables and a function so that
we can tell more easily which one of these concepts we are dealing with.
Acked-by: Lukáš Hrázký <lhra...@redhat.com>
---
src/vdagent/x11-randr.c | 50 ++++++++++++++++++++---------------------
1 file changed, 25 insertions(+), 25 deletions(-)
diff --git a/src/vdagent/x11-randr.c b/src/vdagent/x11-randr.c
index e65d8d0..10a1325 100644
--- a/src/vdagent/x11-randr.c
+++ b/src/vdagent/x11-randr.c
@@ -188,14 +188,14 @@ find_mode_by_name (struct vdagent_x11 *x11, char *name)
}
static XRRModeInfo *
-find_mode_by_size (struct vdagent_x11 *x11, int output, int width, int height)
+find_mode_by_size (struct vdagent_x11 *x11, int output_index, int width, int
height)
{
int m;
XRRModeInfo *ret = NULL;
- for (m = 0; m < x11->randr.outputs[output]->nmode; m++) {
+ for (m = 0; m < x11->randr.outputs[output_index]->nmode; m++) {
XRRModeInfo *mode = mode_from_id(x11,
- x11->randr.outputs[output]->modes[m]);
+
x11->randr.outputs[output_index]->modes[m]);
if (mode && mode->width == width && mode->height == height) {
ret = mode;
break;
@@ -342,7 +342,7 @@ static XRRModeInfo *create_new_mode(struct vdagent_x11
*x11, int output_index,
return find_mode_by_name(x11, modename);
}
-static int xrandr_add_and_set(struct vdagent_x11 *x11, int output, int x, int
y,
+static int xrandr_add_and_set(struct vdagent_x11 *x11, int output_index, int
x, int y,
int width, int height)
{
XRRModeInfo *mode;
@@ -357,33 +357,33 @@ static int xrandr_add_and_set(struct vdagent_x11 *x11,
int output, int x, int y,
return 0;
}
- if (output < 0 || output >= x11->randr.res->noutput) {
+ if (output_index < 0 || output_index >= x11->randr.res->noutput) {
syslog(LOG_ERR, "%s: program error: bad output", __FUNCTION__);
return 0;
}
- old_width = x11->randr.monitor_sizes[output].width;
- old_height = x11->randr.monitor_sizes[output].height;
+ old_width = x11->randr.monitor_sizes[output_index].width;
+ old_height = x11->randr.monitor_sizes[output_index].height;
if (x11->set_crtc_config_not_functional) {
/* fail, set_best_mode will find something close. */
return 0;
}
- xid = x11->randr.res->outputs[output];
- mode = find_mode_by_size(x11, output, width, height);
+ xid = x11->randr.res->outputs[output_index];
+ mode = find_mode_by_size(x11, output_index, width, height);
if (!mode) {
- mode = create_new_mode(x11, output, width, height);
+ mode = create_new_mode(x11, output_index, width, height);
}
if (!mode) {
syslog(LOG_ERR, "failed to add a new mode");
return 0;
}
XRRAddOutputMode(x11->display, xid, mode->id);
- x11->randr.monitor_sizes[output].width = width;
- x11->randr.monitor_sizes[output].height = height;
+ x11->randr.monitor_sizes[output_index].width = width;
+ x11->randr.monitor_sizes[output_index].height = height;
outputs[0] = xid;
vdagent_x11_set_error_handler(x11, ignore_error_handler);
- s = XRRSetCrtcConfig(x11->display, x11->randr.res,
x11->randr.res->crtcs[output],
+ s = XRRSetCrtcConfig(x11->display, x11->randr.res,
x11->randr.res->crtcs[output_index],
CurrentTime, x, y, mode->id, RR_Rotate_0, outputs,
1);
if (vdagent_x11_restore_error_handler(x11) || (s != RRSetConfigSuccess)) {
@@ -394,24 +394,24 @@ static int xrandr_add_and_set(struct vdagent_x11 *x11,
int output, int x, int y,
/* clean the previous name, if any */
if (width != old_width || height != old_height)
- delete_mode(x11, output, old_width, old_height);
+ delete_mode(x11, output_index, old_width, old_height);
return 1;
}
-static void xrandr_disable_output(struct vdagent_x11 *x11, int output)
+static void xrandr_disable_nth_output(struct vdagent_x11 *x11, int
output_index)
{
Status s;
- if (!x11->randr.res || output >= x11->randr.res->noutput || output < 0) {
+ if (!x11->randr.res || output_index >= x11->randr.res->noutput ||
output_index < 0) {
syslog(LOG_ERR, "%s: program error: missing RANDR or bad output",
__FUNCTION__);
return;
}
- XRROutputInfo *oinfo = x11->randr.outputs[output];
+ XRROutputInfo *oinfo = x11->randr.outputs[output_index];
if (oinfo->ncrtc == 0) {
- syslog(LOG_WARNING, "Output index %i doesn't have any associated
CRTCs", output);
+ syslog(LOG_WARNING, "Output index %i doesn't have any associated
CRTCs", output_index);
return;
}
@@ -424,10 +424,10 @@ static void xrandr_disable_output(struct vdagent_x11
*x11, int output)
if (s != RRSetConfigSuccess)
syslog(LOG_ERR, "failed to disable monitor");
- delete_mode(x11, output, x11->randr.monitor_sizes[output].width,
- x11->randr.monitor_sizes[output].height);
- x11->randr.monitor_sizes[output].width = 0;
- x11->randr.monitor_sizes[output].height = 0;
+ delete_mode(x11, output_index,
x11->randr.monitor_sizes[output_index].width,
+ x11->randr.monitor_sizes[output_index].height);
+ x11->randr.monitor_sizes[output_index].width = 0;
+ x11->randr.monitor_sizes[output_index].height = 0;
}
static int set_screen_to_best_size(struct vdagent_x11 *x11, int width, int
height,
@@ -863,12 +863,12 @@ void vdagent_x11_set_monitor_config(struct vdagent_x11
*x11,
g_free(config);
for (i = mon_config->num_of_monitors; i < x11->randr.res->noutput; i++)
- xrandr_disable_output(x11, i);
+ xrandr_disable_nth_output(x11, i);
/* First, disable disabled CRTCs... */
for (i = 0; i < mon_config->num_of_monitors; ++i) {
if (!monitor_enabled(&mon_config->monitors[i])) {
- xrandr_disable_output(x11, i);
+ xrandr_disable_nth_output(x11, i);
}
}
@@ -891,7 +891,7 @@ void vdagent_x11_set_monitor_config(struct vdagent_x11 *x11,
syslog(LOG_DEBUG, "Disabling monitor %d: %dx%d+%d+%d >
(%d,%d)",
i, width, height, x, y, primary_w, primary_h);
- xrandr_disable_output(x11, i);
+ xrandr_disable_nth_output(x11, i);
}
}
--
2.17.2
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