Improve view/hide of memory windows

[emu8051.git] / src / gtk / emugtk.c

diff --git a/src/gtk/emugtk.c b/src/gtk/emugtk.c
index 0c1ca49..0377ddc 100644 (file)
--- a/src/gtk/emugtk.c
+++ b/src/gtk/emugtk.c
@@ -53,6 +53,11 @@ static int running;
 static int running_function_tag;
 static int restart_gui = true;
 
+static int emugtk_window_init_complete;
+static GtkWidget *vpaned1;
+static GtkWidget *scrollwin_int;
+static GtkWidget *scrollwin_ext;
+
 GtkWidget *mainwin;
 
 extern struct app_config_t *cfg;
@@ -66,10 +71,10 @@ emugtk_UpdateDisplay(void)
        pgmwin_refresh();
        pswwin_refresh();
 
-       if (cfg->view_int_memory)
+       if (cfg->view_int_memory && scrollwin_int)
                memwin_refresh(INT_MEM_ID);
 
-       if (cfg->view_ext_memory)
+       if (cfg->view_ext_memory && scrollwin_ext)
                memwin_refresh(EXT_MEM_ID);
 }
 
@@ -333,36 +338,88 @@ emugtk_quit_gui(void)
        restart_gui = false;
 }
 
+static void
+emugtk_show_memory_paned(void)
+{
+       gtk_widget_show_all(mainwin);
+       emugtk_UpdateDisplay();
+}
+
+void
+emugtk_create_int_memory_paned(void)
+{
+       scrollwin_int = memwin_init("Internal memory (IRAM)",
+                                   INT_MEM_ID);
+       gtk_paned_pack1(GTK_PANED(vpaned1), scrollwin_int,
+                       FALSE, FALSE);
+       if (emugtk_window_init_complete == true)
+               emugtk_show_memory_paned();
+}
+
+void
+emugtk_destroy_int_memory_paned(void)
+{
+       if (scrollwin_int == NULL)
+               return;
+
+       gtk_widget_destroy(scrollwin_int);
+       scrollwin_int = NULL;
+}
+
+void
+emugtk_create_ext_memory_paned(void)
+{
+       scrollwin_ext = memwin_init("External memory (XRAM)",
+                                   EXT_MEM_ID);
+
+       gtk_paned_pack2(GTK_PANED(vpaned1), scrollwin_ext,
+                       TRUE, FALSE);
+
+       if (emugtk_window_init_complete == true)
+               emugtk_show_memory_paned();
+}
+
+void
+emugtk_destroy_ext_memory_paned(void)
+{
+       if (scrollwin_ext == NULL)
+               return;
+
+       gtk_widget_destroy(scrollwin_ext);
+       scrollwin_ext = NULL;
+}
+
+void
+emugtk_recreate_memory_paned(void)
+{
+       if (cfg->view_int_memory) {
+               emugtk_destroy_int_memory_paned();
+               emugtk_create_int_memory_paned();
+       }
+
+       if (cfg->view_ext_memory) {
+               emugtk_destroy_ext_memory_paned();
+               emugtk_create_ext_memory_paned();
+       }
+
+       if (emugtk_window_init_complete == true)
+               emugtk_show_memory_paned();
+}
+
 static GtkWidget *
 emugtk_create_memory_paned(void)
 {
-       GtkWidget *vpaned;
-       GtkWidget *scrollwin;
-
        /* Create vpaned (memory windows) only if necessary. */
        if (cfg->view_int_memory || cfg->view_ext_memory) {
-               vpaned = gtk_vpaned_new();
-               gtk_paned_set_position(GTK_PANED(vpaned), cfg->vpane_pos);
-               g_signal_connect(G_OBJECT(vpaned), "notify::position",
-                                G_CALLBACK(vpaned_notify_event), vpaned);
-
-               /* Internal memory dump frame. */
-               if (cfg->view_int_memory) {
-                       scrollwin = memwin_init("Internal memory (IRAM)",
-                                               INT_MEM_ID);
-                       gtk_paned_pack1(GTK_PANED(vpaned), scrollwin,
-                                       FALSE, FALSE);
-               }
-
-               /* External memory dump frame. */
-               if (cfg->view_ext_memory) {
-                       scrollwin = memwin_init("External memory (XRAM)",
-                                               EXT_MEM_ID);
-                       gtk_paned_pack2(GTK_PANED(vpaned), scrollwin,
-                                       TRUE, FALSE);
-               }
-
-               return vpaned;
+               vpaned1 = gtk_vpaned_new();
+
+               gtk_paned_set_position(GTK_PANED(vpaned1), cfg->vpane_pos);
+               g_signal_connect(G_OBJECT(vpaned1), "notify::position",
+                                G_CALLBACK(vpaned_notify_event), vpaned1);
+
+               emugtk_recreate_memory_paned();
+
+               return vpaned1;
        } else
                return NULL;
 }
@@ -439,6 +496,8 @@ emugtk_window_init(void)
        GtkWidget *vpaned;
        GtkWidget *main_paned;
 
+       emugtk_window_init_complete = false;
+
        mainwin = gtk_window_new(GTK_WINDOW_TOPLEVEL);
        gtk_window_set_title(GTK_WINDOW(mainwin), PACKAGE);
        gtk_window_set_default_size(GTK_WINDOW(mainwin),
@@ -510,6 +569,8 @@ emugtk_window_init(void)
        g_signal_connect(mainwin, "destroy", G_CALLBACK(emugtk_quit_gui), NULL);
 
        gtk_widget_show_all(mainwin);
+
+       emugtk_window_init_complete = true;
 }
 
 void