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libwinpr-utils: improve PubSub with automatic strongly-typed helpers

This commit is contained in:
Marc-André Moreau 2013-06-18 00:39:48 -04:00
parent b55725487f
commit 508bae674b
6 changed files with 49 additions and 15 deletions
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11
client/X11/xf_client.c
View File

@ -496,9 +496,9 @@ void xf_toggle_fullscreen(xfContext* xfc)
xf_unlock_x11(xfc, TRUE);
EventArgsInit(&e, "xfreerdp");
e.state = xfc->fullscreen ? FREERDP_WINDOW_STATE_FULLSCREEN : 0;
PubSub_OnEvent(((rdpContext*) xfc)->pubSub, "WindowStateChange", xfc, (wEventArgs*) &e);
PubSub_OnWindowStateChange(((rdpContext*) xfc)->pubSub, xfc, &e);
}
void xf_lock_x11(xfContext* xfc, BOOL display)
@ -894,10 +894,10 @@ BOOL xf_post_connect(freerdp* instance)
xf_cliprdr_init(xfc, channels);
EventArgsInit(&e, "xfreerdp");
e.width = settings->DesktopWidth;
e.height = settings->DesktopHeight;
PubSub_OnEvent(((rdpContext*) xfc)->pubSub, "ResizeWindow", xfc, (wEventArgs*) &e);
PubSub_OnResizeWindow(((rdpContext*) xfc)->pubSub, xfc, &e);
return TRUE;
}
@ -1567,9 +1567,10 @@ void freerdp_client_reset_scale(rdpContext* context)
xfc->scale = 1.0;
XResizeWindow(xfc->display, xfc->window->handle, xfc->originalWidth * xfc->scale, xfc->originalHeight * xfc->scale);
EventArgsInit(&e, "xfreerdp");
e.width = (int) xfc->originalWidth * xfc->scale;
e.height = (int) xfc->originalHeight * xfc->scale;
PubSub_OnEvent(((rdpContext*) xfc)->pubSub, "ResizeWindow", xfc, (wEventArgs*) &e);
PubSub_OnResizeWindow(((rdpContext*) xfc)->pubSub, xfc, &e);
xf_draw_screen_scaled(xfc);
}

6
client/X11/xf_input.c
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@ -197,9 +197,10 @@ void xf_input_detect_pinch(xfContext* xfc)
XResizeWindow(xfc->display, xfc->window->handle, xfc->originalWidth * xfc->scale, xfc->originalHeight * xfc->scale);
EventArgsInit(&e, "xfreerdp");
e.width = (int) xfc->originalWidth * xfc->scale;
e.height = (int) xfc->originalHeight * xfc->scale;
PubSub_OnEvent(((rdpContext*) xfc)->pubSub, "ResizeWindow", xfc, (wEventArgs*) &e);
PubSub_OnResizeWindow(((rdpContext*) xfc)->pubSub, xfc, &e);
z_vector = 0;
}
@ -213,9 +214,10 @@ void xf_input_detect_pinch(xfContext* xfc)
XResizeWindow(xfc->display, xfc->window->handle, xfc->originalWidth * xfc->scale, xfc->originalHeight * xfc->scale);
EventArgsInit(&e, "xfreerdp");
e.width = (int) xfc->originalWidth * xfc->scale;
e.height = (int) xfc->originalHeight * xfc->scale;
PubSub_OnEvent(((rdpContext*) xfc)->pubSub, "ResizeWindow", xfc, (wEventArgs*) &e);
PubSub_OnResizeWindow(((rdpContext*) xfc)->pubSub, xfc, &e);
z_vector = 0;
}

12
libfreerdp/common/settings.c
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@ -1189,8 +1189,9 @@ int freerdp_set_param_bool(rdpSettings* settings, int id, BOOL param)
// Mark field as modified
settings->settings_modified[id] = 1;
EventArgsInit(&e, "freerdp");
e.id = id;
PubSub_OnEvent(context->pubSub, "ParamChange", context->instance, (wEventArgs*) &e);
PubSub_OnParamChange(context->pubSub, context->instance, &e);
return -1;
}
@ -1830,8 +1831,9 @@ int freerdp_set_param_uint32(rdpSettings* settings, int id, UINT32 param)
// Mark field as modified
settings->settings_modified[id] = 1;
EventArgsInit(&e, "freerdp");
e.id = id;
PubSub_OnEvent(context->pubSub, "ParamChange", context->instance, (wEventArgs*) &e);
PubSub_OnParamChange(context->pubSub, context->instance, &e);
return 0;
}
@ -1871,8 +1873,9 @@ int freerdp_set_param_uint64(rdpSettings* settings, int id, UINT64 param)
// Mark field as modified
settings->settings_modified[id] = 1;
EventArgsInit(&e, "freerdp");
e.id = id;
PubSub_OnEvent(context->pubSub, "ParamChange", context->instance, (wEventArgs*) &e);
PubSub_OnParamChange(context->pubSub, context->instance, &e);
return 0;
}
@ -2208,8 +2211,9 @@ int freerdp_set_param_string(rdpSettings* settings, int id, char* param)
// Mark field as modified
settings->settings_modified[id] = 1;
EventArgsInit(&e, "freerdp");
e.id = id;
PubSub_OnEvent(context->pubSub, "ParamChange", context->instance, (wEventArgs*) &e);
PubSub_OnParamChange(context->pubSub, context->instance, &e);
return 0;
}

3
libfreerdp/core/rdp.c
View File

@ -507,8 +507,9 @@ BOOL rdp_recv_set_error_info_data_pdu(rdpRdp* rdp, wStream* s)
rdp_print_errinfo(rdp->errorInfo);
EventArgsInit(&e, "freerdp");
e.code = rdp->errorInfo;
PubSub_OnEvent(context->pubSub, "ErrorInfo", context, (wEventArgs*) &e);
PubSub_OnErrorInfo(context->pubSub, context, &e);
}
return TRUE;

25
winpr/include/winpr/collections.h
View File

@ -343,7 +343,8 @@ WINPR_API void MessagePipe_Free(wMessagePipe* pipe);
struct _wEventArgs
{
DWORD size;
DWORD Size;
const char* Sender;
};
typedef struct _wEventArgs wEventArgs;
@ -360,16 +361,36 @@ struct _wEvent
};
typedef struct _wEvent wEvent;
#define EventArgsInit(_event_args, _sender) \
memset(_event_args, 0, sizeof(*_event_args)); \
((wEventArgs*) _event_args)->Size = sizeof(*_event_args); \
((wEventArgs*) _event_args)->Sender = _sender
#define DEFINE_EVENT_HANDLER(_name) \
typedef void (*p ## _name ## EventHandler)(void* context, _name ## EventArgs* e)
#define DEFINE_EVENT_RAISE(_name) \
static INLINE int PubSub_On ## _name (wPubSub* pubSub, void* context, _name ## EventArgs* e) { \
return PubSub_OnEvent(pubSub, #_name, context, (wEventArgs*) e); }
#define DEFINE_EVENT_SUBSCRIBE(_name) \
static INLINE int PubSub_Subscribe ## _name (wPubSub* pubSub, p ## _name ## EventHandler EventHandler) { \
return PubSub_Subscribe(pubSub, #_name, (pEventHandler) EventHandler); }
#define DEFINE_EVENT_UNSUBSCRIBE(_name) \
static INLINE int PubSub_Unsubscribe ## _name (wPubSub* pubSub, p ## _name ## EventHandler EventHandler) { \
return PubSub_Unsubscribe(pubSub, #_name, (pEventHandler) EventHandler); }
#define DEFINE_EVENT_BEGIN(_name) \
typedef struct _ ## _name ## EventArgs { \
wEventArgs e;
#define DEFINE_EVENT_END(_name) \
} _name ## EventArgs; \
DEFINE_EVENT_HANDLER(_name);
DEFINE_EVENT_HANDLER(_name); \
DEFINE_EVENT_RAISE(_name); \
DEFINE_EVENT_SUBSCRIBE(_name); \
DEFINE_EVENT_UNSUBSCRIBE(_name);
#define DEFINE_EVENT_ENTRY(_name) \
{ #_name, { sizeof( _name ## EventArgs) }, 0, { \

7
winpr/libwinpr/utils/collections/PubSub.c
View File

@ -25,6 +25,11 @@
#include <winpr/collections.h>
/**
* Events (C# Programming Guide)
* http://msdn.microsoft.com/en-us/library/awbftdfh.aspx
*/
/**
* Properties
*/
@ -171,7 +176,7 @@ int PubSub_OnEvent(wPubSub* pubSub, const char* EventName, void* context, wEvent
if (event->EventHandlers[index])
{
event->EventHandlers[index](context, e);
status = 1;
status++;
}
}
}