[console] Start work on a debug UI

It does almost nothing (just puts a non-function button on the screen),
but it will help develop the IMUI code and, of course, come to help with
debugging in general.

include/QF/console.h

@@ -59,7 +59,6 @@ typedef enum {
 
 extern	int			con_linewidth;
 extern struct plugin_s *con_module;
-extern struct console_data_s con_data;
 
 //extern int con_totallines;
 //extern bool con_initialized;

include/cl_console.h

@@ -0,0 +1,13 @@
+#ifndef __cl_console_h
+#define __cl_console_h
+
+extern struct console_data_s con_data;
+extern bool con_debug;
+
+void Con_Debug_Init (void);
+void Con_Debug_InitCvars (void);
+void Con_Debug_Shutdown (void);
+void Con_Debug_Draw (void);
+void Con_Show_Mouse (bool visible);
+
+#endif//__cl_console_h

libs/console/Makemodule.am

@@ -11,10 +11,13 @@ console_common_sources= \
 	libs/console/console.c \
 	libs/console/list.c \
 	libs/console/filelist.c
+
 client_sources= \
 	libs/console/bi_inputline.c \
+	libs/console/cl_debug.c \
 	libs/console/client.c \
 	libs/console/menu.c
+
 server_sources= \
 	libs/console/server.c
 

libs/console/cl_debug.c

@@ -0,0 +1,116 @@
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "QF/cvar.h"
+
+#include "QF/input/event.h"
+
+#include "QF/ui/canvas.h"
+#include "QF/ui/font.h"
+#include "QF/ui/imui.h"
+#include "QF/ui/view.h"
+
+#include "QF/plugin/console.h"
+#include "QF/plugin/vid_render.h"
+
+#include "cl_console.h"
+
+static int debug_event_id;
+static imui_ctx_t *debug_imui;
+#define IMUI_context debug_imui
+
+bool con_debug;
+static cvar_t con_debug_cvar = {
+	.name = "con_debug",
+	.description =
+		"Enable the debug interface",
+	.default_value = "false",
+	.flags = CVAR_NONE,
+	.value = { .type = &cexpr_bool, .value = &con_debug },
+};
+static char *deb_fontname;
+static cvar_t deb_fontname_cvar = {
+	.name = "deb_fontname",
+	.description =
+		"Font name/patter for debug interface",
+	.default_value = "Consolas",
+	.flags = CVAR_NONE,
+	.value = { .type = 0, .value = &deb_fontname },
+};
+static float deb_fontsize;
+static cvar_t deb_fontsize_cvar = {
+	.name = "deb_fontsize",
+	.description =
+		"Font size for debug interface",
+	.default_value = "22",
+	.flags = CVAR_NONE,
+	.value = { .type = &cexpr_float, .value = &deb_fontsize },
+};
+
+static void
+con_debug_f (void *data, const cvar_t *cvar)
+{
+	Con_Show_Mouse (con_debug);
+	if (debug_imui) {
+		IMUI_SetVisible (debug_imui, con_debug);
+	}
+}
+
+static int deb_xlen = -1;
+static int deb_ylen = -1;
+static void
+debug_app_window (const IE_event_t *ie_event)
+{
+	if (deb_xlen != ie_event->app_window.xlen
+		|| deb_ylen != ie_event->app_window.ylen) {
+		deb_xlen = ie_event->app_window.xlen;
+		deb_ylen = ie_event->app_window.ylen;
+		IMUI_SetSize (debug_imui, deb_xlen, deb_ylen);
+	}
+}
+
+static int
+debug_event_handler (const IE_event_t *ie_event, void *data)
+{
+	static void (*handlers[ie_event_count]) (const IE_event_t *ie_event) = {
+		[ie_app_window] = debug_app_window,
+	};
+	if ((unsigned) ie_event->type >= ie_event_count
+		|| !handlers[ie_event->type]) {
+		return 0;
+	}
+	handlers[ie_event->type] (ie_event);
+	return 1;
+}
+
+void
+Con_Debug_InitCvars (void)
+{
+	Cvar_Register (&con_debug_cvar, con_debug_f, 0);
+	Cvar_Register (&deb_fontname_cvar, 0, 0);
+	Cvar_Register (&deb_fontsize_cvar, 0, 0);
+}
+
+void
+Con_Debug_Init (void)
+{
+	debug_event_id = IE_Add_Handler (debug_event_handler, 0);
+	debug_imui = IMUI_NewContext (*con_data.canvas_sys,
+								  deb_fontname, deb_fontsize);
+	IMUI_SetVisible (debug_imui, con_debug);
+}
+
+void
+Con_Debug_Shutdown (void)
+{
+	IE_Remove_Handler (debug_event_id);
+}
+
+void
+Con_Debug_Draw (void)
+{
+	UI_Button ("Hi there!");
+
+	IMUI_Draw (debug_imui);
+}

libs/console/client.c

@@ -61,6 +61,7 @@
 #include "QF/ui/inputline.h"
 #include "QF/ui/view.h"
 
+#include "cl_console.h"
 #include "compat.h"
 
 static con_buffer_t *con;
@@ -155,9 +156,11 @@ static uint32_t canvas_base;
 static uint32_t view_base;
 
 static con_state_t con_state;
-static bool con_hide_mouse;
+static bool con_hide_mouse;	// external requested state
+static bool con_show_mouse;	// local (overrides con_hide_mouse)
+static bool con_force_mouse_visible;// internal (overrides all for show)
 static int  con_event_id;
-static int  con_saved_focos;
+static int  con_saved_focus;
 
 static bool con_debuglog;
 static bool chat_team;
@@ -332,6 +335,21 @@ ClearNotify (void)
 	notify_head = notify_tail = 0;
 }
 
+static void
+con_update_mouse (void)
+{
+	VID_SetCursor (con_force_mouse_visible
+				   || con_show_mouse
+				   || !con_hide_mouse);
+}
+
+void
+Con_Show_Mouse (bool visible)
+{
+	con_show_mouse = visible;
+	con_update_mouse ();
+}
+
 static void
 C_SetState (con_state_t state, bool hide_mouse)
 {
@@ -339,13 +357,14 @@ C_SetState (con_state_t state, bool hide_mouse)
 	con_state = state;
 	con_hide_mouse = hide_mouse;
 	if (con_state == con_inactive) {
-		IE_Set_Focus (con_saved_focos);
-		VID_SetCursor (!con_hide_mouse);
+		IE_Set_Focus (con_saved_focus);
+		con_force_mouse_visible = false;
 	} else if (old_state == con_inactive) {
-		con_saved_focos = IE_Get_Focus ();
+		con_saved_focus = IE_Get_Focus ();
 		IE_Set_Focus (con_event_id);
-		VID_SetCursor (true);
+		con_force_mouse_visible = true;
 	}
+	con_update_mouse ();
 
 	if (state == con_message) {
 		say_line.prompt = "say:";
@@ -769,6 +788,9 @@ setup_console (void)
 static void
 C_DrawConsole (void)
 {
+	if (con_debug) {
+		Con_Debug_Draw ();
+	}
 	setup_console ();
 	view_pos_t  screen_len = View_GetLen (screen_view);
 
@@ -1036,6 +1058,7 @@ C_InitCvars (void)
 	Cvar_Register (&con_size_cvar, 0, 0);
 	Cvar_Register (&con_speed_cvar, 0, 0);
 	Cvar_Register (&cl_conmode_cvar, 0, 0);
+	Con_Debug_InitCvars ();
 }
 
 static void
@@ -1057,6 +1080,8 @@ C_Init (void)
 	// The console will get resized, so assume initial size is 320x200
 	ecs_system_t sys = { con_data.canvas_sys->reg, view_base };
 	screen_canvas = Canvas_New (*con_data.canvas_sys);
+	Con_Debug_Init ();
+
 	screen_view   = Canvas_GetRootView (*con_data.canvas_sys, screen_canvas);
 	console_view  = View_New (sys, screen_view);
 	buffer_view   = View_New (sys, console_view);
@@ -1197,6 +1222,8 @@ C_Init (void)
 static void
 C_shutdown (void)
 {
+	Con_Debug_Shutdown ();
+
 	r_funcs->Draw_DestroyPic (conback);
 	IE_Remove_Handler (con_event_id);
 	Menu_Shutdown ();

libs/console/menu.c

@@ -54,6 +54,8 @@
 #include "QF/plugin/console.h"
 #include "QF/plugin/vid_render.h"
 
+#include "cl_console.h"
+
 typedef struct menu_pic_s {
 	struct menu_pic_s *next;
 	int         x, y;

nq/source/cl_main.c

@@ -53,6 +53,7 @@
 #include "QF/plugin/vid_render.h"
 #include "QF/scene/entity.h"
 #include "QF/scene/scene.h"
+#include "QF/ui/font.h"//FIXME
 
 #include "compat.h"
 
@@ -707,6 +708,7 @@ CL_Init (cbuf_t *cbuf)
 	R_Init ();
 	r_data->lightstyle = cl.lightstyle;
 	S_Init (&cl.viewentity, &host_frametime);
+	Font_Init ();	//FIXME not here
 
 	PI_RegisterPlugins (client_plugin_list);
 	Con_Load ("client");

qw/source/cl_main.c

@@ -92,6 +92,7 @@
 
 #include "QF/plugin/console.h"
 #include "QF/scene/transform.h"
+#include "QF/ui/font.h"//FIXME
 
 #include "buildnum.h"
 #include "compat.h"
@@ -1460,6 +1461,7 @@ CL_Init (void)
 	Mod_Init ();
 	R_Init ();
 	r_data->lightstyle = cl.lightstyle;
+	Font_Init ();	//FIXME not here
 
 	PI_RegisterPlugins (client_plugin_list);
 	Con_Load ("client");