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Ecore_X(cb): Add missing randr functions for new Randr Config dialog 

in E.



SVN revision: 64960
This commit is contained in:
Christopher Michael 2011-11-08 22:09:32 +00:00
parent c6ce7faad6
commit 6431be5ecb
1 changed files with 73 additions and 2 deletions
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75
legacy/ecore/src/lib/ecore_x/xcb/ecore_xcb_randr.c
View File

@ -3,11 +3,9 @@
* ecore_x_randr_crtc_clone_set
* ecore_x_randr_output_size_mm_get
* ecore_x_randr_output_crtc_set
* ecore_x_randr_edid_valid_header
* ecore_x_randr_edid_version_get
* ecore_x_randr_edid_info_has_valid_checksum
* ecore_x_randr_edid_manufacturer_name_get
* ecore_x_randr_edid_display_name_get
* ecore_x_randr_edid_display_ascii_get
* ecore_x_randr_edid_display_serial_get
* ecore_x_randr_edid_model_get
@ -55,6 +53,21 @@
#define RANDR_CHECK_1_2_RET(ret) if (_randr_version < RANDR_1_2) return ret
#define RANDR_CHECK_1_3_RET(ret) if (_randr_version < RANDR_1_3) return ret
#define ECORE_X_RANDR_EDID_VERSION_13 ((1 << 8) | 3)
#define _ECORE_X_RANDR_EDID_OFFSET_VERSION_MAJOR 0x12
#define _ECORE_X_RANDR_EDID_OFFSET_VERSION_MINOR 0x13
#define _ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK 0x36
#define _ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK_TYPE 3
#define _ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK_CONTENT 5
#define _ECORE_X_RANDR_EDID_DISPLAY_DESCRIPTOR_BLOCK_CONTENT_LENGTH_MAX 13
#define _ECORE_X_RANDR_EDID_FOR_EACH_DESCRIPTOR_BLOCK(edid, block) \
for (block = edid + _ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK; block <= (edid + _ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK + (3 * 18)); block += 18)
#define _ECORE_X_RANDR_EDID_FOR_EACH_NON_PIXEL_DESCRIPTOR_BLOCK(edid, block) \
_ECORE_X_RANDR_EDID_FOR_EACH_DESCRIPTOR_BLOCK(edid, block) \
if ((block[0] == 0) && (block[1] == 0))
/* local function prototypes */
static Eina_Bool _ecore_xcb_randr_output_validate(Ecore_X_Window root,
Ecore_X_Randr_Output output);
@ -2436,6 +2449,64 @@ ecore_x_randr_output_backlight_level_set(Ecore_X_Window root,
return EINA_FALSE;
}
EAPI int
ecore_x_randr_edid_version_get(unsigned char *edid,
unsigned long edid_length)
{
if ((edid_length > _ECORE_X_RANDR_EDID_OFFSET_VERSION_MINOR) &&
(ecore_x_randr_edid_has_valid_header(edid, edid_length)))
return (edid[_ECORE_X_RANDR_EDID_OFFSET_VERSION_MAJOR] << 8) |
edid[_ECORE_X_RANDR_EDID_OFFSET_VERSION_MINOR];
return ECORE_X_RANDR_EDID_UNKNOWN_VALUE;
}
EAPI char *
ecore_x_randr_edid_display_name_get(unsigned char *edid, unsigned long edid_length)
{
unsigned char *block = NULL;
int version = 0;
version = ecore_x_randr_edid_version_get(edid, edid_length);
if (version < ECORE_X_RANDR_EDID_VERSION_13) return NULL;
_ECORE_X_RANDR_EDID_FOR_EACH_NON_PIXEL_DESCRIPTOR_BLOCK(edid, block)
{
if (block[_ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK_TYPE] == 0xfc)
{
char *name, *p;
const char *edid_name;
edid_name = (const char *)block +
_ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK_CONTENT;
name =
malloc(sizeof(char) *
_ECORE_X_RANDR_EDID_DISPLAY_DESCRIPTOR_BLOCK_CONTENT_LENGTH_MAX);
if (!name) return NULL;
strncpy(name, edid_name,
(_ECORE_X_RANDR_EDID_DISPLAY_DESCRIPTOR_BLOCK_CONTENT_LENGTH_MAX - 1));
name[_ECORE_X_RANDR_EDID_DISPLAY_DESCRIPTOR_BLOCK_CONTENT_LENGTH_MAX] = 0;
for (p = name; *p; p++)
if ((*p < ' ') || (*p > '~')) *p = 0;
return name;
}
}
return NULL;
}
EAPI Eina_Bool
ecore_x_randr_edid_has_valid_header(unsigned char *edid,
unsigned long edid_length)
{
const unsigned char header[] =
{ 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 };
if (!edid) return EINA_FALSE;
if (edid_length < 8) return EINA_FALSE;
if (!memcmp(edid, header, 8)) return EINA_TRUE;
return EINA_FALSE;
}
/* local functions */
static Eina_Bool
_ecore_xcb_randr_output_validate(Ecore_X_Window root,