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- #include<exec/libraries.h>
- #include<graphics/text.h>
- #include<intuition/intuition.h>
- #include<intuition/screens.h>
- #include<libraries/gadtools.h>
- #include<utility/tagitem.h>
-
- #include<string.h>
- #include<stdio.h>
-
- #include<clib/exec_protos.h>
- #include<clib/gadtools_protos.h>
- #include<clib/intuition_protos.h>
-
- /* The library base global variables */
- struct Library* IntuitionBase;
- struct Library* GadToolsBase;
-
- /* Need to give prototypes for our functions */
- void handleIDCMP(struct Window*);
- void setupWindow();
- void createWindow(struct Gadget*);
-
- #define MYFONTSIZE (8)
-
- /* Some constants for the size of the window */
- #define MYWIN_WIDTH (400)
- #define MYWIN_HEIGHT (200)
-
- /* Some constants for the position and size of our gadget */
- #define MYGAD_LEFT (10)
- #define MYGAD_TOP (10+MYFONTSIZE)
- #define MYGAD_WIDTH (MYWIN_WIDTH-MYGAD_LEFT*2)
- #define MYGAD_HEIGHT (MYWIN_HEIGHT-MYGAD_TOP*2+MYFONTSIZE)
- #define MYGAD_TEXT ("My ListView")
- #define MYGAD_ID (0)
-
- /* Initialised structure declaration: describes standard Topaz font */
- static struct TextAttr topazFont = { "topaz.font", MYFONTSIZE, 0, 0, };
-
- /* The start of the program */
- void main()
- {
- /* Open libraries... */
- if(IntuitionBase = OpenLibrary("intuition.library",37))
- {
- if(GadToolsBase = OpenLibrary("gadtools.library",37))
- {
- /* Now do the real work */
- setupWindow();
- CloseLibrary(GadToolsBase);
- }
- else
- printf("Error: could not open gadtools.library\n");
- CloseLibrary(IntuitionBase);
- }
- else
- printf("Error: could not open intuition.library\n");
- }
-
- /* Setup the window -- do the GadTools stuff */
- void setupWindow()
- {
- struct Screen* scr;
- /* We'll copy the visual information for the default public screen */
- /* (usually, this is the Workbench screen) */
- if(scr = LockPubScreen(NULL))
- {
- APTR vinfo;
- /* Get the visual info so GadTools can render the gadgets nicely */
- if(vinfo = GetVisualInfo(scr, TAG_DONE))
- {
- struct Gadget* glist;
- struct Gadget* gad;
- /* Start a GadTools gadget list */
- glist = NULL;
- if(gad = CreateContext(&glist))
- {
- int offtop, offleft;
- struct NewGadget newgad;
- /* The offsets of our window borders */
- offleft = scr->WBorLeft;
- offtop = scr->WBorTop + (scr->Font->ta_YSize + 1);
- /* Setup our first gadget */
- newgad.ng_TextAttr = &topazFont;
- newgad.ng_VisualInfo = vinfo;
- newgad.ng_LeftEdge = MYGAD_LEFT + offleft;
- newgad.ng_TopEdge = MYGAD_TOP + offtop;
- newgad.ng_Width = MYGAD_WIDTH;
- newgad.ng_Height = MYGAD_HEIGHT;
- newgad.ng_GadgetText = MYGAD_TEXT;
- newgad.ng_GadgetID = MYGAD_ID;
- newgad.ng_Flags = 0;
- /* Now create it and add it to our list */
- if(gad = CreateGadget(LISTVIEW_KIND, gad, &newgad, TAG_DONE))
- createWindow(glist);
- else
- printf("Error: could not create gadget(s)\n");
- /* Free the gadget */
- FreeGadgets(glist);
- }
- else
- printf("Error: could not create GadTools context\n");
- FreeVisualInfo(vinfo);
- }
- else
- printf("Error: could not get visual info\n");
- UnlockPubScreen(NULL, scr);
- }
- else
- printf("Error: could not lock public screen\n");
- }
-
- /* Actually open the window, in the normal way */
- void createWindow(struct Gadget* glist)
- {
- struct Window* win;
- /* Open our window */
- if(win = OpenWindowTags(NULL,
- WA_InnerWidth, MYWIN_WIDTH,
- WA_InnerHeight, MYWIN_HEIGHT,
- WA_Flags, WFLG_CLOSEGADGET | WFLG_DRAGBAR,
- WA_IDCMP, IDCMP_CLOSEWINDOW | IDCMP_REFRESHWINDOW,
- WA_Gadgets, glist,
- TAG_DONE, 0))
- {
- /* Let GadTools refresh its bits of the window */
- GT_RefreshWindow(win, NULL);
- /* Now handle messages */
- handleIDCMP(win);
- CloseWindow(win);
- }
- else
- printf("Error: could not open window\n");
- }
-
- /* Our message handling code */
- void handleIDCMP(struct Window* win)
- {
- int going = TRUE;
- while(going)
- {
- struct IntuiMessage* intuimsg;
- /* Wait for messages to arrive */
- WaitPort(win->UserPort);
- /* Messages have arrived: loop through all of them */
- while(intuimsg = GT_GetIMsg(win->UserPort))
- {
- /* Act on this message... */
- switch(intuimsg->Class)
- {
- case IDCMP_CLOSEWINDOW:
- going = FALSE;
- break;
- case IDCMP_REFRESHWINDOW:
- /* You *MUST* remember to ask for and handle these refresh messages */
- GT_BeginRefresh(win);
- GT_EndRefresh(win, TRUE);
- break;
- }
- /* Reply when finished with message */
- GT_ReplyIMsg(intuimsg);
- }
- }
- }
-