Luke Granger-Brown
57725ef3ec
git-subtree-dir: third_party/nixpkgs git-subtree-split: 76612b17c0ce71689921ca12d9ffdc9c23ce40b2
96 lines
3 KiB
Diff
96 lines
3 KiB
Diff
--- a/src/dummy.h 2016-12-17 23:02:53.396287041 +0100
|
|
+++ b/src/dummy.h 2016-12-17 23:03:30.319616550 +0100
|
|
@@ -51,6 +51,7 @@
|
|
/* options */
|
|
OptionInfoPtr Options;
|
|
Bool swCursor;
|
|
+ Bool constantDPI;
|
|
/* proc pointer */
|
|
CloseScreenProcPtr CloseScreen;
|
|
xf86CursorInfoPtr CursorInfo;
|
|
--- a/src/dummy_driver.c 2016-12-14 21:54:20.000000000 +0100
|
|
+++ b/src/dummy_driver.c 2016-12-17 23:04:59.916416126 +0100
|
|
@@ -17,6 +17,12 @@
|
|
/* All drivers using the mi colormap manipulation need this */
|
|
#include "micmap.h"
|
|
|
|
+#ifdef RANDR
|
|
+#include "randrstr.h"
|
|
+#endif
|
|
+
|
|
+#include "windowstr.h"
|
|
+
|
|
/* identifying atom needed by magnifiers */
|
|
#include <X11/Xatom.h>
|
|
#include "property.h"
|
|
@@ -115,11 +121,15 @@
|
|
};
|
|
|
|
typedef enum {
|
|
- OPTION_SW_CURSOR
|
|
+ OPTION_SW_CURSOR,
|
|
+ OPTION_CONSTANT_DPI
|
|
} DUMMYOpts;
|
|
|
|
static const OptionInfoRec DUMMYOptions[] = {
|
|
{ OPTION_SW_CURSOR, "SWcursor", OPTV_BOOLEAN, {0}, FALSE },
|
|
+#ifdef RANDR
|
|
+ { OPTION_CONSTANT_DPI, "ConstantDPI", OPTV_BOOLEAN, {0}, FALSE },
|
|
+#endif
|
|
{ -1, NULL, OPTV_NONE, {0}, FALSE }
|
|
};
|
|
|
|
@@ -359,6 +369,7 @@
|
|
xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, dPtr->Options);
|
|
|
|
xf86GetOptValBool(dPtr->Options, OPTION_SW_CURSOR,&dPtr->swCursor);
|
|
+ xf86GetOptValBool(dPtr->Options, OPTION_CONSTANT_DPI, &dPtr->constantDPI);
|
|
|
|
if (device->videoRam != 0) {
|
|
pScrn->videoRam = device->videoRam;
|
|
@@ -639,10 +650,45 @@
|
|
return TRUE;
|
|
}
|
|
|
|
+const char *XDPY_PROPERTY = "dummy-constant-xdpi";
|
|
+const char *YDPY_PROPERTY = "dummy-constant-ydpi";
|
|
+static int get_dpi_value(WindowPtr root, const char *property_name, int default_dpi)
|
|
+{
|
|
+ PropertyPtr prop;
|
|
+ Atom type_atom = MakeAtom("CARDINAL", 8, TRUE);
|
|
+ Atom prop_atom = MakeAtom(property_name, strlen(property_name), FALSE);
|
|
+
|
|
+ for (prop = wUserProps(root); prop; prop = prop->next) {
|
|
+ if (prop->propertyName == prop_atom && prop->type == type_atom && prop->data) {
|
|
+ int v = (int) (*((CARD32 *) prop->data));
|
|
+ if ((v>0) && (v<4096)) {
|
|
+ xf86DrvMsg(0, X_INFO, "get_constant_dpi_value() found property \"%s\" with value=%i\n", property_name, (int) v);
|
|
+ return (int) v;
|
|
+ }
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+ return default_dpi;
|
|
+}
|
|
+
|
|
/* Mandatory */
|
|
Bool
|
|
DUMMYSwitchMode(SWITCH_MODE_ARGS_DECL)
|
|
{
|
|
+ SCRN_INFO_PTR(arg);
|
|
+#ifdef RANDR
|
|
+ DUMMYPtr dPtr = DUMMYPTR(pScrn);
|
|
+ if (dPtr->constantDPI) {
|
|
+ int xDpi = get_dpi_value(pScrn->pScreen->root, XDPY_PROPERTY, pScrn->xDpi);
|
|
+ int yDpi = get_dpi_value(pScrn->pScreen->root, YDPY_PROPERTY, pScrn->yDpi);
|
|
+ //25.4 mm per inch: (254/10)
|
|
+ pScrn->pScreen->mmWidth = mode->HDisplay * 254 / xDpi / 10;
|
|
+ pScrn->pScreen->mmHeight = mode->VDisplay * 254 / yDpi / 10;
|
|
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO, "mm(dpi %ix%i)=%ix%i\n", xDpi, yDpi, pScrn->pScreen->mmWidth, pScrn->pScreen->mmHeight);
|
|
+ RRScreenSizeNotify(pScrn->pScreen);
|
|
+ RRTellChanged(pScrn->pScreen);
|
|
+ }
|
|
+#endif
|
|
return TRUE;
|
|
}
|
|
|