interesting
/
andlabs-ui
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

More Windows Table migration.

This commit is contained in:
Pietro Gagliardi 2015-02-17 20:46:10 -05:00
parent 8405292a2c
commit 5d6054a896
3 changed files with 19 additions and 112 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

119
table_windows.c
View File

@ -3,61 +3,15 @@
#include "winapi_windows.h"
#include "_cgo_export.h"
#include "wintable/main.h"
// provided for cgo's benefit
LPWSTR xWC_LISTVIEW = WC_LISTVIEW;
static void handle(HWND hwnd, LPARAM lParam, void (*handler)(void *, int, int), void *data)
{
LVHITTESTINFO ht;
ZeroMemory(&ht, sizeof (LVHITTESTINFO));
ht.pt.x = GET_X_LPARAM(lParam);
ht.pt.y = GET_Y_LPARAM(lParam);
if (SendMessageW(hwnd, LVM_SUBITEMHITTEST, 0, (LPARAM) (&ht)) == (LRESULT) -1) {
(*handler)(data, -1, -1);
return; // no item
}
if (ht.flags != LVHT_ONITEMSTATEICON) {
(*handler)(data, -1, -1);
return; // not on a checkbox
}
(*handler)(data, ht.iItem, ht.iSubItem);
}
struct tableData {
void *gotable;
HIMAGELIST imagelist;
HTHEME theme;
HIMAGELIST checkboxImageList;
};
static void tableLoadImageList(HWND hwnd, struct tableData *t, HIMAGELIST new)
{
HIMAGELIST old;
old = t->imagelist;
t->imagelist = new;
applyImageList(hwnd, LVM_SETIMAGELIST, LVSIL_SMALL, t->imagelist, old);
}
static void tableSetCheckboxImageList(HWND hwnd, struct tableData *t)
{
HIMAGELIST old;
old = t->checkboxImageList;
t->checkboxImageList = makeCheckboxImageList(hwnd, &t->theme);
applyImageList(hwnd, LVM_SETIMAGELIST, LVSIL_STATE, t->checkboxImageList, old);
// thanks to Jonathan Potter (http://stackoverflow.com/questions/25354448/why-do-my-owner-data-list-view-state-images-come-up-as-blank-on-windows-xp)
if (SendMessageW(hwnd, LVM_SETCALLBACKMASK, LVIS_STATEIMAGEMASK, 0) == FALSE)
xpanic("error marking state image list as application-managed", GetLastError());
}
LPWSTR xtableWindowClass = tableWindowClass;
static LRESULT CALLBACK tableSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR id, DWORD_PTR data)
{
NMHDR *nmhdr = (NMHDR *) lParam;
NMLVDISPINFOW *fill = (NMLVDISPINFO *) lParam;
NMLISTVIEW *nlv = (NMLISTVIEW *) lParam;
struct tableData *t = (struct tableData *) data;
void *gotable = (void *) data;
switch (uMsg) {
case msgNOTIFY:
@ -75,84 +29,30 @@ static LRESULT CALLBACK tableSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM
return 0;
}
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_MOUSEMOVE:
handle(hwnd, lParam, tableSetHot, t->gotable);
// and let the list view do its thing
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_LBUTTONDOWN:
case WM_LBUTTONDBLCLK: // listviews have CS_DBLCICKS; check this to better mimic the behavior of a real checkbox
handle(hwnd, lParam, tablePushed, t->gotable);
// and let the list view do its thing
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case WM_LBUTTONUP:
handle(hwnd, lParam, tableToggled, t->gotable);
// and let the list view do its thing
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
case msgLoadImageList:
tableLoadImageList(hwnd, t, (HIMAGELIST) lParam);
return 0;
case msgTableMakeInitialCheckboxImageList:
tableSetCheckboxImageList(hwnd, t);
return 0;
case WM_THEMECHANGED:
tableSetCheckboxImageList(hwnd, t);
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
/* TODO
// see table.autoresize() in table_windows.go for the column autosize policy
case WM_NOTIFY: // from the contained header control
if (nmhdr->code == HDN_BEGINTRACK)
tableStopColumnAutosize(t->gotable);
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
*/
case WM_NCDESTROY:
free(t);
if ((*fv_RemoveWindowSubclass)(hwnd, tableSubProc, id) == FALSE)
xpanic("error removing Table subclass (which was for its own event handler)", GetLastError());
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
default:
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
}
xmissedmsg("Button", "tableSubProc()", uMsg);
xmissedmsg("Table", "tableSubProc()", uMsg);
return 0; // unreached
}
void setTableSubclass(HWND hwnd, void *data)
{
struct tableData *t;
t = (struct tableData *) malloc(sizeof (struct tableData));
if (t == NULL)
xpanic("error allocating structure for Table extra data", GetLastError());
ZeroMemory(t, sizeof (struct tableData));
t->gotable = data;
if ((*fv_SetWindowSubclass)(hwnd, tableSubProc, 0, (DWORD_PTR) t) == FALSE)
if ((*fv_SetWindowSubclass)(hwnd, tableSubProc, 0, (DWORD_PTR) data) == FALSE)
xpanic("error subclassing Table to give it its own event handler", GetLastError());
}
void tableAppendColumn(HWND hwnd, int index, LPWSTR name)
{
LVCOLUMNW col;
ZeroMemory(&col, sizeof (LVCOLUMNW));
col.mask = LVCF_FMT | LVCF_TEXT | LVCF_SUBITEM | LVCF_ORDER;
col.fmt = LVCFMT_LEFT;
col.pszText = name;
col.iSubItem = index;
col.iOrder = index;
if (SendMessageW(hwnd, LVM_INSERTCOLUMN, (WPARAM) index, (LPARAM) (&col)) == (LRESULT) -1)
xpanic("error adding column to Table", GetLastError());
}
void tableUpdate(HWND hwnd, int nItems)
{
if (SendMessageW(hwnd, LVM_SETITEMCOUNT, (WPARAM) nItems, 0) == 0)
xpanic("error setting number of items in Table", GetLastError());
}
void tableAddExtendedStyles(HWND hwnd, LPARAM styles)
{
// the bits of WPARAM specify which bits of LPARAM to look for; having WPARAM == LPARAM ensures that only the bits we want to add are affected
SendMessageW(hwnd, LVM_SETEXTENDEDLISTVIEWSTYLE, (WPARAM) styles, styles);
}
void tableAutosizeColumns(HWND hwnd, int nColumns)
{
int i;
@ -168,6 +68,8 @@ intptr_t tableSelectedItem(HWND hwnd)
return (intptr_t) SendMessageW(hwnd, LVM_GETNEXTITEM, (WPARAM) -1, LVNI_SELECTED);
}
/*
TODO
void tableSelectItem(HWND hwnd, intptr_t index)
{
LVITEMW item;
@ -193,3 +95,4 @@ void tableSelectItem(HWND hwnd, intptr_t index)
if (SendMessageW(hwnd, LVM_SETITEMSTATE, (WPARAM) index, (LPARAM) (&item)) == FALSE)
xpanic("error selecting new Table item", GetLastError());
}
*/

7
winapi_windows.h
View File

@ -107,14 +107,13 @@ extern void tabLeaveChildren(HWND);
// table_windows.go
#include "wintable/includethis.h"
extern LPWSTR xWC_LISTVIEW;
extern LPWSTR xtableWindowClass;
extern void setTableSubclass(HWND, void *);
extern void tableAppendColumn(HWND, int, LPWSTR);
extern void tableUpdate(HWND, int);
extern void tableAddExtendedStyles(HWND, LPARAM);
/* TODO
extern void tableAutosizeColumns(HWND, int);
extern intptr_t tableSelectedItem(HWND);
extern void tableSelectItem(HWND, intptr_t);
*/
// container_windows.c
extern RECT containerBounds(HWND);

5
wintable/includethis.h
View File

@ -1,5 +1,8 @@
// 17 february 2015
#ifndef __GO_UI_WINTABLE_INCLUDETHIS_H__
#define __GO_UI_WINTABLE_INCLUDETHIS_H__
#define tableWindowClass L"gouitable"
// start at WM_USER + 20 just in case for whatever reason we ever get the various dialog manager messages (see also http://blogs.msdn.com/b/oldnewthing/archive/2003/10/21/55384.aspx)
@ -51,3 +54,5 @@ struct tableNM {
// TODO have hInstance passed in
extern void initTable(void (*panicfunc)(const char *msg, DWORD lastError), BOOL (*WINAPI tme)(LPTRACKMOUSEEVENT));
#endif