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implement window pinning #21

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implement window pinning #21

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359b680
implement window pinning
Francesco149 Nov 19, 2018
05a5810
prevent pinned windows from being moved
Francesco149 Nov 19, 2018
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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ Hotkeys:
CTRL + 1..4 -> moves active window to desktop 1..4
ALT + CTRL + SHIFT + Q -> exits the program
ALT + CTRL + SHIFT + S -> starts/stops handling of other hotkeys
ALT + CTRL + SHIFT + P -> pin active window (makes it always visible)

the nerds can build it with

Expand Down
50 changes: 50 additions & 0 deletions virgo.c
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@
#endif

#define NUM_DESKTOPS 4
#define NUM_PINNED 8

typedef struct {
HWND *windows;
Expand All @@ -39,6 +40,7 @@ typedef struct {
unsigned handle_hotkeys;
Windows desktops[NUM_DESKTOPS];
Trayicon trayicon;
HWND pinned[NUM_PINNED];
} Virgo;

static void *stb__sbgrowf(void *arr, unsigned increment, unsigned itemsize)
Expand Down Expand Up @@ -182,6 +184,38 @@ static void register_hotkey(unsigned id, unsigned mod, unsigned vk)
}
}

static unsigned virgo_is_pinned(Virgo *v, HWND hwnd) {
unsigned i;
for (i = 0; i < NUM_PINNED; ++i) {
if (v->pinned[i] == hwnd) {
return 1;
}
}
return 0;
}

static void virgo_toggle_pin(Virgo *v, HWND hwnd) {
unsigned i;
unsigned empty = NUM_PINNED;
for (i = 0; i < NUM_PINNED; ++i) {
if (v->pinned[i] == hwnd) {
v->pinned[i] = 0;
windows_add(&v->desktops[v->current], hwnd);
return;
}
if (!v->pinned[i]) {
empty = i;
}
}
if (empty == NUM_PINNED) {
MessageBox(NULL, "reached pinned windows limit", "error",
MB_ICONEXCLAMATION);
return;
}
v->pinned[empty] = hwnd;
windows_del(&v->desktops[v->current], hwnd);
}

static BOOL enum_func(HWND hwnd, LPARAM lParam)
{
unsigned i, e;
Expand All @@ -199,6 +233,9 @@ static BOOL enum_func(HWND hwnd, LPARAM lParam)
}
}
}
if (virgo_is_pinned(v, hwnd)) {
return 1;
}
windows_add(&(v->desktops[v->current]), hwnd);
return 1;
}
Expand All @@ -217,6 +254,12 @@ static void virgo_update(Virgo *v)
}
}
}
for (i = 0; i < NUM_PINNED; i++) {
hwnd = v->pinned[i];
if (!GetWindowThreadProcessId(hwnd, NULL)) {
v->pinned[i] = 0;
}
}
desk = &v->desktops[v->current];
for (i = 0; i < desk->count; i++) {
hwnd = desk->windows[i];
Expand Down Expand Up @@ -256,6 +299,8 @@ static void virgo_init(Virgo *v)
'Q');
register_hotkey(i * 2 + 1, MOD_ALT | MOD_CONTROL | MOD_SHIFT | MOD_NOREPEAT,
'S');
register_hotkey(i * 2 + 2, MOD_ALT | MOD_CONTROL | MOD_SHIFT | MOD_NOREPEAT,
'P');
trayicon_init(&v->trayicon);
}

Expand All @@ -277,6 +322,9 @@ static void virgo_move_to_desk(Virgo *v, unsigned desk)
}
virgo_update(v);
hwnd = GetForegroundWindow();
if (virgo_is_pinned(v, hwnd)) {
return;
}
if (!hwnd || !is_valid_window(hwnd)) {
return;
}
Expand Down Expand Up @@ -312,6 +360,8 @@ void __main(void)
}
if (msg.wParam == NUM_DESKTOPS * 2 + 1) {
virgo_toggle_hotkeys(&v);
} else if (msg.wParam == NUM_DESKTOPS * 2 + 2) {
virgo_toggle_pin(&v, GetForegroundWindow());
} else if (msg.wParam % 2 == 0) {
virgo_go_to_desk(&v, msg.wParam / 2);
} else {
Expand Down