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Wayland: Add support for file drop events

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This adds support for file path drop events in text/uri-list format.

It is based on work by Pilzschaf in #2040.

Closes #2040

(cherry picked from commit 4cb36872a5)
This commit is contained in:
Camilla Löwy
2022-03-31 19:56:48 +02:00
parent 2b504e41d5
commit 05422e2824
5 changed files with 62 additions and 4 deletions
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src/wl_window.c
+53 -4
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@@ -1707,6 +1707,8 @@ static void dataOfferHandleOffer(void* userData,
{
if (strcmp(mimeType, "text/plain;charset=utf-8") == 0)
_glfw.wl.offers[i].text_plain_utf8 = GLFW_TRUE;
else if (strcmp(mimeType, "text/uri-list") == 0)
_glfw.wl.offers[i].text_uri_list = GLFW_TRUE;
break;
}
@@ -1745,24 +1747,53 @@ static void dataDeviceHandleEnter(void* userData,
wl_fixed_t y,
struct wl_data_offer* offer)
{
if (_glfw.wl.dragOffer)
{
wl_data_offer_destroy(_glfw.wl.dragOffer);
_glfw.wl.dragOffer = NULL;
_glfw.wl.dragFocus = NULL;
}
for (unsigned int i = 0; i < _glfw.wl.offerCount; i++)
{
if (_glfw.wl.offers[i].offer == offer)
{
_GLFWwindow* window = NULL;
if (surface)
window = wl_surface_get_user_data(surface);
if (window && _glfw.wl.offers[i].text_uri_list)
{
_glfw.wl.dragOffer = offer;
_glfw.wl.dragFocus = window;
_glfw.wl.dragSerial = serial;
}
_glfw.wl.offers[i] = _glfw.wl.offers[_glfw.wl.offerCount - 1];
_glfw.wl.offerCount--;
// We don't yet handle drag and drop
wl_data_offer_accept(offer, serial, NULL);
wl_data_offer_destroy(offer);
break;
}
}
if (_glfw.wl.dragOffer)
wl_data_offer_accept(offer, serial, "text/uri-list");
else
{
wl_data_offer_accept(offer, serial, NULL);
wl_data_offer_destroy(offer);
}
}
static void dataDeviceHandleLeave(void* userData,
struct wl_data_device* device)
{
if (_glfw.wl.dragOffer)
{
wl_data_offer_destroy(_glfw.wl.dragOffer);
_glfw.wl.dragOffer = NULL;
_glfw.wl.dragFocus = NULL;
}
}
static void dataDeviceHandleMotion(void* userData,
@@ -1776,6 +1807,24 @@ static void dataDeviceHandleMotion(void* userData,
static void dataDeviceHandleDrop(void* userData,
struct wl_data_device* device)
{
if (!_glfw.wl.dragOffer)
return;
char* string = readDataOfferAsString(_glfw.wl.dragOffer, "text/uri-list");
if (string)
{
int count;
char** paths = _glfwParseUriList(string, &count);
if (paths)
_glfwInputDrop(_glfw.wl.dragFocus, count, (const char**) paths);
for (int i = 0; i < count; i++)
free(paths[i]);
free(paths);
}
free(string);
}
static void dataDeviceHandleSelection(void* userData,