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treewide: macros lambda-esque screen iteration

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iterating over screen list via lambda-esque macros calls like this

    DIX_FOR_EACH_SCREEN({
        do_something
    });

withing the body, the iterator variables `walkScreenIdx` and `walkScreen`
are defined and can be directly used (read-only). the code inside the body
is running in a separate scope.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult
2025-08-11 09:53:01 +02:00
committed by Enrico Weigelt
parent eaff5ba96c
commit 962580a15a
49 changed files with 304 additions and 411 deletions
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21
Xext/dpms.c
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@@ -34,6 +34,7 @@ Equipment Corporation.
#include "dix/dix_priv.h"
#include "dix/request_priv.h"
#include "dix/screenint_priv.h"
#include "dix/screensaver_priv.h"
#include "miext/extinit_priv.h"
#include "os/screensaver.h"
@@ -237,17 +238,15 @@ Bool
DPMSSupported(void)
{
/* For each screen, check if DPMS is supported */
for (unsigned int walkScreenIdx = 0; walkScreenIdx < screenInfo.numScreens; walkScreenIdx++) {
ScreenPtr walkScreen = screenInfo.screens[walkScreenIdx];
DIX_FOR_EACH_SCREEN({
if (walkScreen->DPMS != NULL)
return TRUE;
}
});
for (unsigned int walkScreenIdx = 0; walkScreenIdx < screenInfo.numGPUScreens; walkScreenIdx++) {
ScreenPtr walkScreen = screenInfo.gpuscreens[walkScreenIdx];
DIX_FOR_EACH_GPU_SCREEN({
if (walkScreen->DPMS != NULL)
return TRUE;
}
});
return FALSE;
}
@@ -287,17 +286,15 @@ DPMSSet(ClientPtr client, int level)
return rc;
}
for (unsigned int walkScreenIdx = 0; walkScreenIdx < screenInfo.numScreens; walkScreenIdx++) {
ScreenPtr walkScreen = screenInfo.screens[walkScreenIdx];
DIX_FOR_EACH_SCREEN({
if (walkScreen->DPMS != NULL)
walkScreen->DPMS(walkScreen, level);
}
});
for (unsigned int walkScreenIdx = 0; walkScreenIdx < screenInfo.numGPUScreens; walkScreenIdx++) {
ScreenPtr walkScreen = screenInfo.gpuscreens[walkScreenIdx];
DIX_FOR_EACH_GPU_SCREEN({
if (walkScreen->DPMS != NULL)
walkScreen->DPMS(walkScreen, level);
}
});
if (DPMSPowerLevel != old_level)
SendDPMSInfoNotify();