150 lines
3.9 KiB
C
150 lines
3.9 KiB
C
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/*
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* Various MWM related functions.
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*
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* This is ALL the code involving anything MWM related. for both WM and
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* client.
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*/
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#include "ecore_xcb_private.h"
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#include "Ecore_X_Atoms.h"
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/**
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* @defgroup Ecore_X_MWM_Group MWM related functions.
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*
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* Functions related to MWM.
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*/
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#define ECORE_X_MWM_HINTS_FUNCTIONS (1 << 0)
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#define ECORE_X_MWM_HINTS_DECORATIONS (1 << 1)
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#define ECORE_X_MWM_HINTS_INPUT_MODE (1 << 2)
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#define ECORE_X_MWM_HINTS_STATUS (1 << 3)
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typedef struct _mwmhints
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{
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uint32_t flags;
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uint32_t functions;
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uint32_t decorations;
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int32_t inputmode;
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uint32_t status;
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}
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MWMHints;
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/**
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* Sends the GetProperty request.
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* @param window Window whose MWM hints are requested.
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* @ingroup Ecore_X_MWM_Group
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*/
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EAPI void
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ecore_x_mwm_hints_get_prefetch(Ecore_X_Window window)
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{
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xcb_get_property_cookie_t cookie;
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cookie = xcb_get_property_unchecked(_ecore_xcb_conn, 0,
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window ? window : ((xcb_screen_t *)_ecore_xcb_screen)->root,
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ECORE_X_ATOM_MOTIF_WM_HINTS,
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ECORE_X_ATOM_MOTIF_WM_HINTS,
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0, LONG_MAX);
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_ecore_xcb_cookie_cache(cookie.sequence);
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}
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/**
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* Gets the reply of the GetProperty request sent by ecore_x_mwm_hints_get_prefetch().
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* @ingroup Ecore_X_MWM_Group
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*/
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EAPI void
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ecore_x_mwm_hints_get_fetch(void)
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{
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xcb_get_property_cookie_t cookie;
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xcb_get_property_reply_t *reply;
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cookie.sequence = _ecore_xcb_cookie_get();
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reply = xcb_get_property_reply(_ecore_xcb_conn, cookie, NULL);
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_ecore_xcb_reply_cache(reply);
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}
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/**
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* To document.
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* @param window Unused.
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* @param fhint To document.
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* @param dhint To document.
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* @param ihint To document.
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* @return 1 on success, 0 otherwise.
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*
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* To use this function, you must call before, and in order,
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* ecore_x_mwm_hints_get_prefetch(), which sends the GetProperty request,
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* then ecore_x_mwm_hints_get_fetch(), which gets the reply.
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* @ingroup Ecore_X_MWM_Group
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*/
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EAPI int
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ecore_x_mwm_hints_get(Ecore_X_Window window __UNUSED__,
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Ecore_X_MWM_Hint_Func *fhint,
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Ecore_X_MWM_Hint_Decor *dhint,
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Ecore_X_MWM_Hint_Input *ihint)
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{
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MWMHints *mwmhints = NULL;
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int ret = 0;
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xcb_get_property_reply_t *reply;
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reply = _ecore_xcb_reply_get();
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if (!reply)
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return 0;
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if ((reply->format != 32) ||
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(reply->value_len == 0))
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return 0;
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mwmhints = xcb_get_property_value(reply);
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if (reply->value_len >= 4)
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{
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if (dhint)
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{
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if (mwmhints->flags & ECORE_X_MWM_HINTS_DECORATIONS)
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*dhint = mwmhints->decorations;
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else
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*dhint = ECORE_X_MWM_HINT_DECOR_ALL;
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}
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if (fhint)
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{
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if (mwmhints->flags & ECORE_X_MWM_HINTS_FUNCTIONS)
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*fhint = mwmhints->functions;
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else
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*fhint = ECORE_X_MWM_HINT_FUNC_ALL;
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}
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if (ihint)
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{
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if (mwmhints->flags & ECORE_X_MWM_HINTS_INPUT_MODE)
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*ihint = mwmhints->inputmode;
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else
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*ihint = ECORE_X_MWM_HINT_INPUT_MODELESS;
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}
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ret = 1;
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}
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return ret;
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}
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/**
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* Sets the borderless flag of a window using MWM.
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* @param window The window.
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* @param borderless The borderless flag.
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* @ingroup Ecore_X_MWM_Group
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*/
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EAPI void
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ecore_x_mwm_borderless_set(Ecore_X_Window window,
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int borderless)
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{
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uint32_t data[5] = {0, 0, 0, 0, 0};
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data[0] = 2; /* just set the decorations hint! */
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data[2] = !borderless;
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if (window == 0) window = ((xcb_screen_t *)_ecore_xcb_screen)->root;
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xcb_change_property(_ecore_xcb_conn, XCB_PROP_MODE_REPLACE, window,
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ECORE_X_ATOM_MOTIF_WM_HINTS, ECORE_X_ATOM_MOTIF_WM_HINTS,
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32, 5, data);
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}
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