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add new API ServerGetTopmostZNodeOfType and implement it

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Vincent Wei
2020-09-06 09:44:31 +08:00
parent 1d81705437
commit 97f4215330
2 changed files with 56 additions and 2 deletions
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37
include/minigui.h
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@@ -101,9 +101,9 @@ extern "C" {
#define ZOF_TYPE_NORMAL 0x30000000
#define ZOF_TYPE_HIGHER 0x40000000
#define ZOF_TYPE_DOCKER 0x50000000 // Since 5.0.0
#define ZOF_TYPE_SCREENLOCK 0x60000000 // Since 5.0.0;
#define ZOF_TYPE_SCREENLOCK 0x60000000 // Since 5.0.0
#define ZOF_TYPE_GLOBAL 0x70000000
#define ZOF_TYPE_TOOLTIP 0x80000000 // Since 5.0.0; fixed and only one.
#define ZOF_TYPE_TOOLTIP 0x80000000 // Since 5.0.0
#define ZOF_TYPE_POPUPMENU 0x90000000
#define ZOF_TYPE_BOTTOMMOST ZOF_TYPE_LAUNCHER
@@ -889,6 +889,39 @@ MG_EXPORT BOOL GUIAPI ServerSetTopmostLayer (MG_Layer* layer);
*/
MG_EXPORT BOOL GUIAPI ServerDeleteLayer (MG_Layer* layer);
/**
* \fn int GUIAPI ServerGetTopmostZNodeOfType (MG_Layer* layer, DWORD type,
* int* cli)
* \brief Get the topmost z-node in the specified layer for the specific
* window type from the server.
*
* This function gets the topmost z-node of the type specified by
* \a type in the specified layer \a layer from the server.
*
* \param layer The pointer to the layer, NULL for the current topmost layer.
* \param type The window type, can be one of the following values:
* - ZOF_TYPE_TOOLTIP
* - ZOF_TYPE_GLOBAL
* - ZOF_TYPE_SCREENLOCK
* - ZOF_TYPE_DOCKER
* - ZOF_TYPE_HIGHER
* - ZOF_TYPE_NORMAL
* - ZOF_TYPE_LAUNCHER
* \param cli The client identifier of the topmost z-node will be returned
* through this pointer. NULL is okay.
*
* \return The index of the topmost z-node of the specified type.
* Zero when there is no z-node in the level; < 0 when error.
*
* \note Server-only function. Note that this function will not return
* the z-node of the desktop, and the desktop always has the z-node index
* of zero.
*
* \sa ServerGetZNodeInfo
*/
MG_EXPORT int GUIAPI ServerGetTopmostZNodeOfType (MG_Layer* layer, DWORD type,
int* cli);
/**
* \fn int GUIAPI ServerGetNextZNode (MG_Layer* layer, int idx_znode,
* int* cli)

21
src/server/layer.c
View File

@@ -742,6 +742,27 @@ void GUIAPI UpdateTopmostLayer (const RECT* dirty_rc)
SendMessage (HWND_DESKTOP, MSG_PAINT, 0, 0);
}
int GUIAPI ServerGetTopmostZNodeOfType (MG_Layer* layer, DWORD type, int* cli)
{
ZORDERINFO* zi;
int topmost;
if (layer == NULL)
layer = mgTopmostLayer;
else if (!__mg_is_valid_layer (layer))
return -1;
if (type < ZOF_TYPE_LAUNCHER || type > ZOF_TYPE_TOOLTIP)
return -1;
zi = (ZORDERINFO*)layer->zorder_info;
topmost = zi->first_in_levels [ZOF_TYPE_TOOLTIP - type];
if (topmost <= 0)
return 0;
return topmost;
}
int GUIAPI ServerGetNextZNode (MG_Layer* layer, int idx_znode, int* cli)
{
ZORDERINFO* zi;