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138 lines
2.8 KiB
C++
138 lines
2.8 KiB
C++
#ifndef GUILITE_CORE_INCLUDE_CMD_TARGET_H
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#define GUILITE_CORE_INCLUDE_CMD_TARGET_H
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#include "../core_include/api.h"
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#define MSG_TYPE_INVALID 0xFFFF
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#define MSG_TYPE_WND 0x0001
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#define MSG_TYPE_USR 0x0002
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#define USR_MSG_MAX 32
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class c_cmd_target;
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typedef void (c_cmd_target::*msgCallback)(int, int);
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struct GL_MSG_ENTRY
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{
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unsigned int msgType;
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unsigned int msgId;
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c_cmd_target* object;
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msgCallback callBack;
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};
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#define ON_GL_USER_MSG(msgId, func) \
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{MSG_TYPE_USR, msgId, 0, msgCallback(&func)},
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#define GL_DECLARE_MESSAGE_MAP() \
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protected: \
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virtual const GL_MSG_ENTRY* get_msg_entries() const;\
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private: \
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static const GL_MSG_ENTRY m_msg_entries[];
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#define GL_BEGIN_MESSAGE_MAP(theClass) \
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const GL_MSG_ENTRY* theClass::get_msg_entries() const \
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{ \
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return theClass::m_msg_entries; \
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} \
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const GL_MSG_ENTRY theClass::m_msg_entries[] = \
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{
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#define GL_END_MESSAGE_MAP() \
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{MSG_TYPE_INVALID, 0, 0, 0}};
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class c_cmd_target
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{
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public:
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static int handle_usr_msg(int msg_id, int resource_id, int param)
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{
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int i;
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c_cmd_target* p_wnd = 0;
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for (i = 0; i < ms_user_map_size; i++)
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{
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if (msg_id == ms_usr_map_entries[i].msgId)
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{
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p_wnd = (c_cmd_target*)ms_usr_map_entries[i].object;
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(p_wnd->*ms_usr_map_entries[i].callBack)(resource_id, param);
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}
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}
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return 1;
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}
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protected:
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void load_cmd_msg()
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{
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const GL_MSG_ENTRY* p_entry = get_msg_entries();
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if (0 == p_entry)
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{
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return;
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}
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bool bExist = false;
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while (MSG_TYPE_INVALID != p_entry->msgType)
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{
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if (MSG_TYPE_WND == p_entry->msgType)
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{
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p_entry++;
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continue;
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}
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bExist = false;
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for (int i = 0; i < ms_user_map_size; i++)
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{
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//repeat register, return.
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if (p_entry->msgId == ms_usr_map_entries[i].msgId
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&& ms_usr_map_entries[i].object == this)
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{
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bExist = true;
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break;
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}
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}
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if (true == bExist)
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{
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p_entry++;
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continue;
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}
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if (MSG_TYPE_USR == p_entry->msgType)
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{
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if (USR_MSG_MAX == ms_user_map_size)
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{
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ASSERT(false);
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}
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ms_usr_map_entries[ms_user_map_size] = *p_entry;
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ms_usr_map_entries[ms_user_map_size].object = this;
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ms_user_map_size++;
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}
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else
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{
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ASSERT(false);
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break;
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}
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p_entry++;
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}
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}
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const GL_MSG_ENTRY* find_msg_entry(const GL_MSG_ENTRY *pEntry, int msgType, int msgId)
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{
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if (MSG_TYPE_INVALID == msgType)
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{
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return 0;
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}
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while (MSG_TYPE_INVALID != pEntry->msgType)
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{
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if ((msgType == pEntry->msgType) && (msgId == pEntry->msgId))
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{
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return pEntry;
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}
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pEntry++;
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}
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return 0;
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}
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private:
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static GL_MSG_ENTRY ms_usr_map_entries[USR_MSG_MAX];
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static unsigned short ms_user_map_size;
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GL_DECLARE_MESSAGE_MAP()
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};
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#endif
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