Download as
Browse Code »

Commit 833d8b5c247ba463c8d3b36a09daa44dae02e8df

Authored by Perry Werneck
1 parent 37ad659b
Exists in master and in 3 other branches develop, macos, network_module

Starting use of events to signal states.

Showing 4 changed files with 88 additions and 0 deletions   Show diff stats
src/include/lib3270++.h
  Diff comments   View file @833d8b5
... ... @@ -64,6 +64,36 @@
64 64  
65 65 class Host;
66 66  
  67 + class Event {
  68 + public:
  69 + enum Type : uint8_t {
  70 + All, ///< @brief All events (undefined).
  71 + Popup, ///< @brief Popup message.
  72 + Trace, ///< @brief Trace message.
  73 + Message, ///< @brief Generic message.
  74 + };
  75 +
  76 + private:
  77 + Type type;
  78 +
  79 + protected:
  80 + Event(enum Type type) {
  81 + this->type = type;
  82 + }
  83 +
  84 + public:
  85 + virtual ~Event();
  86 +
  87 + /// @brief Check event type
  88 + inline bool is(Event::Type type) const noexcept {
  89 + return this->type == type;
  90 + }
  91 +
  92 + /// @brief Get event description.
  93 + virtual std::string toString() const = 0;
  94 +
  95 + };
  96 +
67 97 enum ProgramMessage : uint8_t {
68 98 MESSAGE_NONE = LIB3270_MESSAGE_NONE, ///< @brief No message
69 99 MESSAGE_SYSWAIT = LIB3270_MESSAGE_SYSWAIT, ///< @brief --
... ... @@ -144,6 +174,8 @@
144 174 /// @brief Write error to log file.
145 175 void error(const char *fmt, ...) const;
146 176  
  177 + void fire(const Event &event);
  178 +
147 179 public:
148 180  
149 181 /// @brief Create a tn3270 session.
... ...
src/lib3270++/lib3270++.cbp
  Diff comments   View file @833d8b5
... ... @@ -41,6 +41,7 @@
41 41 </Linker>
42 42 <Unit filename="../include/lib3270++.h" />
43 43 <Unit filename="../include/lib3270.h" />
  44 + <Unit filename="../include/lib3270/popup.h" />
44 45 <Unit filename="../include/lib3270/session.h" />
45 46 <Unit filename="abstract.cc" />
46 47 <Unit filename="host.cc" />
... ...
src/lib3270++/local.cc
  Diff comments   View file @833d8b5
... ... @@ -39,6 +39,7 @@
39 39 #include "private.h"
40 40 #include <lib3270/actions.h>
41 41  
  42 + using std::string;
42 43  
43 44 /*---[ Implement ]----------------------------------------------------------------------------------*/
44 45  
... ... @@ -52,6 +53,56 @@
52 53 lib3270_set_user_data(this->hSession,(void *) this);
53 54 setCharSet(lib3270_get_display_charset(this->hSession));
54 55  
  56 + lib3270_set_popup_handler(this->hSession, popupHandler);
  57 +
  58 + }
  59 +
  60 + /// @brief Popup Handler.
  61 + int LocalSession::popupHandler(H3270 *h3270, LIB3270_NOTIFY type, const char *title, const char *msg, const char *fmt, va_list arg) {
  62 +
  63 + LocalSession * session = (LocalSession *) lib3270_get_user_data(h3270);
  64 +
  65 + if(!session) {
  66 + throw std::runtime_error("Invalid session handler");
  67 + }
  68 +
  69 + class PopupEvent : public Event {
  70 + private:
  71 + LIB3270_NOTIFY type;
  72 + string title;
  73 + string msg;
  74 + string description;
  75 +
  76 + public:
  77 + PopupEvent(LIB3270_NOTIFY type, const char *title, const char *msg, const char *fmt, va_list arg) : Event(Event::Popup) {
  78 +
  79 + this->type = type;
  80 + this->title = title;
  81 + this->msg = msg;
  82 +
  83 + char * buffer = NULL;
  84 + if(vasprintf(&buffer,fmt,arg) != -1) {
  85 + this->description = buffer;
  86 + free(buffer);
  87 + }
  88 +
  89 + }
  90 +
  91 + virtual ~PopupEvent() {
  92 + }
  93 +
  94 + /// @brief Get event description.
  95 + std::string toString() const override {
  96 + return msg;
  97 + }
  98 +
  99 +
  100 + };
  101 +
  102 + session->fire(PopupEvent(type,title,msg,fmt,arg));
  103 +
  104 + return 0;
  105 +
55 106 }
56 107  
57 108 LocalSession::~LocalSession() {
... ...
src/lib3270++/private.h
  Diff comments   View file @833d8b5
... ... @@ -43,6 +43,7 @@
43 43 #include <config.h>
44 44 #include <mutex>
45 45 #include <lib3270++.h>
  46 + #include <lib3270/popup.h>
46 47 #include <system_error>
47 48  
48 49  
... ... @@ -108,6 +109,9 @@
108 109 /// @brief Mutex to serialize access to lib3270
109 110 std::mutex sync;
110 111  
  112 + /// @brief Popup Handler.
  113 + static int popupHandler(H3270 *session, LIB3270_NOTIFY type, const char *title, const char *msg, const char *fmt, va_list arg);
  114 +
111 115 public:
112 116 LocalSession();
113 117 virtual ~LocalSession();
... ...