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Sweden-Number/controls/status.c

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/*
* Interface code to StatusWindow widget/control
*
* Copyright 1996 Bruce Milner
*/
#include <stdio.h>
#include <stdlib.h>
#include "windows.h"
#include "status.h"
#include "commctrl.h"
#include "heap.h"
#include "syscolor.h"
#include "win.h"
/*
* Run tests using Waite Group Windows95 API Bible Vol. 1&2
* The second cdrom contains executables drawstat.exe,gettext.exe,
* simple.exe, getparts.exe, setparts.exe, statwnd.exe
*/
/*
* Fixme/Todo
* 1) Add size grip to status bar - SBARS_SIZEGRIP
* 2) Don't hard code bar to bottom of window, allow CCS_TOP also
* 3) Fix SBT_OWNERDRAW
* 4) Add DrawStatusText32A funtion
*/
static STATUSWINDOWINFO *GetStatusInfo(HWND32 hwnd)
{
WND *wndPtr;
wndPtr = WIN_FindWndPtr(hwnd);
return ((STATUSWINDOWINFO *) &wndPtr->wExtra[0]);
}
/***********************************************************************
* DrawStatusText32A (COMCTL32.3)
*/
void DrawStatusText32A( HDC32 hdc, LPRECT32 lprc, LPCSTR text, UINT32 style )
{
RECT32 r, rt;
int oldbkmode;
r = *lprc;
if (style == 0 ||
style == SBT_POPOUT) {
InflateRect32(&r, -1, -1);
SelectObject(hdc, sysColorObjects.hbrushScrollbar);
Rectangle(hdc, r.left, r.top, r.right, r.bottom);
/* draw border */
SelectObject(hdc, sysColorObjects.hpenWindowFrame);
if (style == 0)
DrawEdge32(hdc, &r, EDGE_SUNKEN, BF_RECT);
else
DrawEdge32(hdc, &r, EDGE_RAISED, BF_RECT);
}
else if (style == SBT_NOBORDERS) {
SelectObject(hdc, sysColorObjects.hbrushScrollbar);
Rectangle(hdc, r.left, r.top, r.right, r.bottom);
}
else { /* fixme for SBT_OWNERDRAW, SBT_RTLREADING */
}
/* now draw text */
if ((style != SBT_OWNERDRAW) && text) {
SelectObject(hdc, sysColorObjects.hpenWindowText);
oldbkmode = SetBkMode(hdc, TRANSPARENT);
rt = r;
rt.left += 3;
DrawText32A(hdc, text, lstrlen32A(text),
&rt, DT_LEFT | DT_VCENTER | DT_SINGLELINE);
if (oldbkmode != TRANSPARENT)
SetBkMode(hdc, oldbkmode);
}
}
static BOOL32 SW_Refresh( HWND32 hwnd, HDC32 hdc, STATUSWINDOWINFO *self )
{
int i;
if (!IsWindowVisible(hwnd)) {
return (TRUE);
}
if (self->simple) {
DrawStatusText32A(hdc,
&self->part0.bound,
self->part0.text,
self->part0.style);
}
else {
for (i = 0; i < self->numParts; i++) {
DrawStatusText32A(hdc,
&self->parts[i].bound,
self->parts[i].text,
self->parts[i].style);
}
}
return TRUE;
}
static LRESULT
SW_GetBorders(STATUSWINDOWINFO *self, HWND32 hwnd, WPARAM32 wParam, LPARAM lParam)
{
LPINT32 out;
/* FIXME for sizegrips */
out = (LPINT32) lParam;
out[0] = 1; /* vertical border width */
out[1] = 1; /* horizontal border width */
out[2] = 1; /* width of border between rectangles */
return TRUE;
}
static void
SW_SetPartBounds(HWND32 hwnd, STATUSWINDOWINFO *self)
{
int i;
RECT32 rect, *r;
STATUSWINDOWPART *part;
int sep = 1;
/* get our window size */
GetClientRect32(hwnd, &rect);
/* set bounds for simple rectangle */
self->part0.bound = rect;
/* set bounds for non-simple rectangles */
for (i = 0; i < self->numParts; i++) {
part = &self->parts[i];
r = &self->parts[i].bound;
r->top = rect.top;
r->bottom = rect.bottom;
if (i == 0)
r->left = 0;
else
r->left = self->parts[i-1].bound.right+sep;
if (part->x == -1)
r->right = rect.right;
else
r->right = part->x;
}
}
static LRESULT
SW_SetText(STATUSWINDOWINFO *self, HWND32 hwnd, WPARAM32 wParam, LPARAM lParam)
{
int part_num;
int style;
LPSTR text;
int len;
STATUSWINDOWPART *part;
text = (LPSTR) lParam;
part_num = ((INT32) wParam) & 0x00ff;
style = ((INT32) wParam) & 0xff00;
if (part_num > 255)
return FALSE;
if (self->simple)
part = &self->part0;
else
part = &self->parts[part_num];
part->style = style;
if (style == SBT_OWNERDRAW) {
part->text = text;
}
else {
/* duplicate string */
if (part->text)
HeapFree(SystemHeap, 0, part->text);
part->text = 0;
if (text && (len = lstrlen32A(text))) {
part->text = HeapAlloc(SystemHeap, 0, len+1);
lstrcpy32A(part->text, text);
}
}
InvalidateRect32(hwnd, &part->bound, FALSE);
return TRUE;
}
static LRESULT
SW_SetParts(STATUSWINDOWINFO *self, HWND32 hwnd, WPARAM32 wParam, LPARAM lParam)
{
HDC32 hdc;
LPINT32 parts;
STATUSWINDOWPART * tmp;
int i;
int oldNumParts;
if (self->simple) {
self->simple = FALSE;
}
oldNumParts = self->numParts;
self->numParts = (INT32) wParam;
parts = (LPINT32) lParam;
if (oldNumParts > self->numParts) {
for (i = self->numParts ; i < oldNumParts; i++) {
if (self->parts[i].text && (self->parts[i].style != SBT_OWNERDRAW))
HeapFree(SystemHeap, 0, self->parts[i].text);
}
}
else if (oldNumParts < self->numParts) {
tmp = HeapAlloc(SystemHeap, HEAP_ZERO_MEMORY,
sizeof(STATUSWINDOWPART) * self->numParts);
for (i = 0; i < oldNumParts; i++) {
tmp[i] = self->parts[i];
}
if (self->parts)
HeapFree(SystemHeap, 0, self->parts);
self->parts = tmp;
}
for (i = 0; i < self->numParts; i++) {
self->parts[i].x = parts[i];
}
SW_SetPartBounds(hwnd, self);
hdc = GetDC(hwnd);
SW_Refresh(hwnd, hdc, self);
ReleaseDC(hwnd, hdc);
return TRUE;
}
static LRESULT
SW_GetParts(STATUSWINDOWINFO *self, HWND32 hwnd, WPARAM32 wParam, LPARAM lParam)
{
LPINT32 parts;
INT32 num_parts;
int i;
self = GetStatusInfo(hwnd);
num_parts = (INT32) wParam;
parts = (LPINT32) lParam;
if (parts) {
return (self->numParts);
for (i = 0; i < num_parts; i++) {
parts[i] = self->parts[i].x;
}
}
return (self->numParts);
}
static LRESULT
SW_Create(STATUSWINDOWINFO *self, HWND32 hwnd, WPARAM32 wParam, LPARAM lParam)
{
RECT32 rect;
LPCREATESTRUCT32A lpCreate = (LPCREATESTRUCT32A) lParam;
int height, width;
HDC32 hdc;
HWND32 parent;
self->numParts = 0;
self->parts = 0;
self->simple = TRUE;
GetClientRect32(hwnd, &rect);
/* initialize simple case */
self->part0.bound = rect;
self->part0.text = 0;
self->part0.x = 0;
self->part0.style = 0;
height = 40;
if ((hdc = GetDC(0))) {
TEXTMETRIC32A tm;
GetTextMetrics32A(hdc, &tm);
self->textHeight = tm.tmHeight;
ReleaseDC(0, hdc);
}
parent = GetParent(hwnd);
GetClientRect32(parent, &rect);
width = rect.right - rect.left;
height = (self->textHeight * 3)/2;
MoveWindow(hwnd, lpCreate->x, lpCreate->y-1, width, height, FALSE);
SW_SetPartBounds(hwnd, self);
return 0;
}
static LRESULT
SW_GetRect(STATUSWINDOWINFO *self, HWND32 hwnd, WPARAM32 wParam, LPARAM lParam)
{
int part_num;
LPRECT32 rect;
part_num = ((INT32) wParam) & 0x00ff;
rect = (LPRECT32) lParam;
if (self->simple)
*rect = self->part0.bound;
else
*rect = self->parts[part_num].bound;
return TRUE;
}
static LRESULT
SW_GetText(STATUSWINDOWINFO *self, HWND32 hwnd, WPARAM32 wParam, LPARAM lParam)
{
int part_num;
LRESULT result;
STATUSWINDOWPART *part;
LPSTR out_text;
part_num = ((INT32) wParam) & 0x00ff;
out_text = (LPSTR) lParam;
if (self->simple)
part = &self->part0;
else
part = &self->parts[part_num];
if (part->style == SBT_OWNERDRAW)
result = (LRESULT) part->text;
else {
result = part->text ? lstrlen32A(part->text) : 0;
result |= (part->style << 16);
if (out_text) {
lstrcpy32A(out_text, part->text);
}
}
return result;
}
static LRESULT
SW_GetTextLength(STATUSWINDOWINFO *self, HWND32 hwnd, WPARAM32 wParam, LPARAM lParam)
{
int part_num;
STATUSWINDOWPART *part;
DWORD result;
part_num = ((INT32) wParam) & 0x00ff;
if (self->simple)
part = &self->part0;
else
part = &self->parts[part_num];
if (part->text)
result = lstrlen32A(part->text);
else
result = 0;
result |= (part->style << 16);
return result;
}
static LRESULT
SW_SetMinHeight(STATUSWINDOWINFO *self, HWND32 hwnd, WPARAM32 wParam, LPARAM lParam)
{
/* FIXME */
/* size is wParam | 2*pixels_of_horz_border */
return TRUE;
}
static LRESULT
SW_Simple(STATUSWINDOWINFO *self, HWND32 hwnd, WPARAM32 wParam, LPARAM lParam)
{
BOOL32 simple;
HDC32 hdc;
simple = (BOOL32) wParam;
self->simple = simple;
hdc = GetDC(hwnd);
SW_Refresh(hwnd, hdc, self);
ReleaseDC(hwnd, hdc);
return TRUE;
}
static LRESULT
SW_Size(STATUSWINDOWINFO *self, HWND32 hwnd, WPARAM32 wParam, LPARAM lParam)
{
/* Need to resize width to match parent */
INT32 width, height, x, y;
RECT32 parent_rect;
HWND32 parent;
INT32 flags;
flags = (INT32) wParam;
/* FIXME for flags =
* SIZE_MAXIMIZED, SIZE_MAXSHOW, SIZE_MINIMIZED, SIZE_RESTORED
*/
if (flags == SIZE_RESTORED) {
/* width and height don't apply */
parent = GetParent(hwnd);
GetClientRect32(parent, &parent_rect);
height = (self->textHeight * 3)/2;
width = parent_rect.right - parent_rect.left;
x = parent_rect.left;
y = parent_rect.bottom - height;
MoveWindow(hwnd, parent_rect.left, parent_rect.bottom - height - 1,
width, height, TRUE);
SW_SetPartBounds(hwnd, self);
}
return 0;
}
static LRESULT
SW_Destroy(STATUSWINDOWINFO *self, HWND32 hwnd, WPARAM32 wParam, LPARAM lParam)
{
int i;
for (i = 0; i < self->numParts; i++) {
if (self->parts[i].text && (self->parts[i].style != SBT_OWNERDRAW))
HeapFree(SystemHeap, 0, self->parts[i].text);
}
if (self->part0.text && (self->part0.style != SBT_OWNERDRAW))
HeapFree(SystemHeap, 0, self->part0.text);
HeapFree(SystemHeap, 0, self->parts);
return 0;
}
static LRESULT
SW_Paint(STATUSWINDOWINFO *self, HWND32 hwnd)
{
HDC32 hdc;
PAINTSTRUCT32 ps;
hdc = BeginPaint32(hwnd, &ps);
SW_Refresh(hwnd, hdc, self);
EndPaint32(hwnd, &ps);
return 0;
}
LRESULT StatusWindowProc( HWND32 hwnd, UINT32 msg,
WPARAM32 wParam, LPARAM lParam )
{
STATUSWINDOWINFO *self;
self = GetStatusInfo(hwnd);
switch (msg) {
case SB_GETBORDERS:
return SW_GetBorders(self, hwnd, wParam, lParam);
case SB_GETPARTS:
return SW_GetParts(self, hwnd, wParam, lParam);
case SB_GETRECT:
return SW_GetRect(self, hwnd, wParam, lParam);
case SB_GETTEXT32A:
return SW_GetText(self, hwnd, wParam, lParam);
case SB_GETTEXTLENGTH32A:
return SW_GetTextLength(self, hwnd, wParam, lParam);
case SB_SETMINHEIGHT:
return SW_SetMinHeight(self, hwnd, wParam, lParam);
case SB_SETPARTS:
return SW_SetParts(self, hwnd, wParam, lParam);
case SB_SETTEXT32A:
return SW_SetText(self, hwnd, wParam, lParam);
case SB_SIMPLE:
return SW_Simple(self, hwnd, wParam, lParam);
case WM_CREATE:
return SW_Create(self, hwnd, wParam, lParam);
case WM_DESTROY:
return SW_Destroy(self, hwnd, wParam, lParam);
case WM_PAINT:
return SW_Paint(self, hwnd);
case WM_SIZE:
return SW_Size(self, hwnd, wParam, lParam);
default:
return DefWindowProc32A(hwnd, msg, wParam, lParam);
}
return 0;
}
/***********************************************************************
* CreateStatusWindow32A (COMCTL32.4)
*/
HWND32 CreateStatusWindow32A( INT32 style, LPCSTR text, HWND32 parent,
UINT32 wid )
{
HWND32 ret;
ATOM atom;
atom = GlobalFindAtom32A(STATUSCLASSNAME32A);
if (!atom) {
/* Some apps don't call InitCommonControls */
InitCommonControls();
}
ret = CreateWindowEx32A(0, STATUSCLASSNAME32A, "Status Window",
style, CW_USEDEFAULT32, CW_USEDEFAULT32,
CW_USEDEFAULT32, CW_USEDEFAULT32, parent, 0, 0, 0);
return (ret);
}
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