Started writing code for handling single-HWND controls on Windows. Similar code will exist for single-GtkWidget controls on GTK+ and single-NSView controls on Cocoa.

This commit is contained in:
Pietro Gagliardi 2015-04-06 22:26:53 -04:00
parent 93b99a690c
commit 35e1f8e14c
3 changed files with 67 additions and 2 deletions

View File

@ -0,0 +1,52 @@
// 6 april 2015
#include "tablepriv.h"
// Common code for controls with a single window handle.
// The only method NOT defined is preferredSize(); this differs between controls.
static uintptr_t singleHandle(uiControl *c)
{
return (uintptr_t) (c->hwnd);
}
//TODO void (*setParent)(uiControl *, uintptr_t);
static void singleResize(uiControl *c, intmax_t x, intmax_t y, intmax_t width, intmax_t height, uiSizing *d)
{
if (MoveWindow(c->hwnd, x, y, width, height, TRUE) == 0)
logLastError("error moving control in singleResize()");
}
static void singleContainerShow(uiControl *c)
{
ShowWindow(c->hwnd, SW_SHOW);
}
static void singleContainerHide(uiControl *c)
{
ShowWindow(c->hwnd, SW_HIDE);
}
uiSingleHWNDControl *newSingleHWNDControl(DWORD exstyle, const WCHAR *class, DWORD style, HWND parent, HINSTANCE hInstance)
{
uiSingleHWNDControl *c;
c = uiNew(uiSingleHWNDControl);
c->hwnd = CreateWindowExW(exstyle,
class, L"",
style | WS_CHILD | WS_VISIBLE,
0, 0,
100, 100,
// TODO specify control IDs properly
parent, NULL, hInstance, NULL);
if (c->hwnd == NULL)
logLastError("error creating control in newSingleHWNDControl()");
c->control.handle = singleHandle;
//TODO c->control.setParent = singleSetParent;
c->control.resize = singleResize;
c->control.containerShow = singleContainerShow;
c->control.containerHide = singleContainerHide;
return c;
}

View File

@ -33,6 +33,8 @@
// alloc_windows.c
extern void *uiAlloc(size_t);
// TODO use this in existing files
#define uiNew(T) ((T *) uiAlloc(sizeof (T)))
extern void *uiRealloc(void *, size_t);
extern void uiFree(void *);
@ -52,4 +54,14 @@ extern WCHAR *toUTF16(const char *);
// window_windows.c
extern ATOM registerWindowClass(HICON, HCURSOR);
// singlehandle_windows.c
typedef struct uiSingleHWNDControl uiSingleHWNDControl;
struct uiSingleHWNDControl {
uiControl control;
HWND hwnd;
void (*voidEvent)(uiControl *, void *);
void *voidEventData;
};
extern uiSingleHWNDControl *newSingleHWNDControl(DWORD, const WCHAR *, DWORD, HWND, HINSTANCE);
#endif

View File

@ -9,11 +9,12 @@ struct uiSize {
intmax_t height;
};
// TODO handle destruction
struct uiControl {
uintptr_t (*handle)(uiControl *);
void (*setParent)(uiControl *, uintptr_t);
//TODO void (*setParent)(uiControl *, uintptr_t);
uiSize (*preferredSize)(uiControl *, uiSizing *);
void (*resizing)(uiControl *, intmax_t, intmax_t, intmax_t, intmax_t, uiSizing *);
void (*resize)(uiControl *, intmax_t, intmax_t, intmax_t, intmax_t, uiSizing *);
void (*containerShow)(uiControl *);
void (*containerHide)(uiControl *);
};