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split out browser window drag context into separate structure

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This commit is contained in:
Vincent Sanders 2017-03-03 14:30:39 +00:00
parent 6083de4ee1
commit 0a8976156a
4 changed files with 102 additions and 74 deletions
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92
desktop/browser.c
View File

@ -421,22 +421,24 @@ void browser_window_set_position(struct browser_window *bw, int x, int y)
}
/* exported interface, documented in browser.h */
void browser_window_set_drag_type(struct browser_window *bw,
browser_drag_type type, const struct rect *rect)
void
browser_window_set_drag_type(struct browser_window *bw,
browser_drag_type type,
const struct rect *rect)
{
struct browser_window *top_bw = browser_window_get_root(bw);
gui_drag_type gtype;
bw->drag_type = type;
bw->drag.type = type;
if (type == DRAGGING_NONE) {
top_bw->drag_window = NULL;
top_bw->drag.window = NULL;
} else {
top_bw->drag_window = bw;
top_bw->drag.window = bw;
switch (type) {
case DRAGGING_SELECTION:
/* TODO: tell front end */
/** \todo tell front end */
return;
case DRAGGING_SCR_X:
case DRAGGING_SCR_Y:
@ -455,7 +457,7 @@ void browser_window_set_drag_type(struct browser_window *bw,
/* exported interface, documented in browser.h */
browser_drag_type browser_window_get_drag_type(struct browser_window *bw)
{
return bw->drag_type;
return bw->drag.type;
}
/* exported interface, documented in browser.h */
@ -939,7 +941,7 @@ nserror browser_window_initialise_common(enum browser_window_create_flags flags,
/* window characteristics */
bw->refresh_interval = -1;
bw->drag_type = DRAGGING_NONE;
bw->drag.type = DRAGGING_NONE;
bw->scroll_x = NULL;
bw->scroll_y = NULL;
@ -2879,7 +2881,7 @@ static void browser_window_mouse_drag_end(struct browser_window *bw,
{
int scr_x, scr_y;
switch (bw->drag_type) {
switch (bw->drag.type) {
case DRAGGING_SELECTION:
case DRAGGING_OTHER:
case DRAGGING_CONTENT_SCROLLBAR:
@ -2895,7 +2897,7 @@ static void browser_window_mouse_drag_end(struct browser_window *bw,
scrollbar_mouse_drag_end(bw->scroll_x, mouse, scr_x, scr_y);
bw->drag_type = DRAGGING_NONE;
bw->drag.type = DRAGGING_NONE;
break;
case DRAGGING_SCR_Y:
@ -2907,7 +2909,7 @@ static void browser_window_mouse_drag_end(struct browser_window *bw,
scrollbar_mouse_drag_end(bw->scroll_y, mouse, scr_x, scr_y);
bw->drag_type = DRAGGING_NONE;
bw->drag.type = DRAGGING_NONE;
break;
default:
@ -2925,11 +2927,11 @@ void browser_window_mouse_track(struct browser_window *bw,
const char *status = NULL;
browser_pointer_shape pointer = BROWSER_POINTER_DEFAULT;
if (bw->window != NULL && bw->drag_window && bw != bw->drag_window) {
if (bw->window != NULL && bw->drag.window && bw != bw->drag.window) {
/* This is the root browser window and there's an active drag
* in a sub window.
* Pass the mouse action straight on to that bw. */
struct browser_window *drag_bw = bw->drag_window;
struct browser_window *drag_bw = bw->drag.window;
int off_x = 0;
int off_y = 0;
@ -2982,25 +2984,27 @@ void browser_window_mouse_track(struct browser_window *bw,
return;
}
if (c == NULL && bw->drag_type != DRAGGING_FRAME)
if (c == NULL && bw->drag.type != DRAGGING_FRAME) {
return;
}
if (bw->drag_type != DRAGGING_NONE && !mouse) {
if (bw->drag.type != DRAGGING_NONE && !mouse) {
browser_window_mouse_drag_end(bw, mouse, x, y);
}
/* Browser window's horizontal scrollbar */
if (bw->scroll_x != NULL && bw->drag_type != DRAGGING_SCR_Y) {
if (bw->scroll_x != NULL && bw->drag.type != DRAGGING_SCR_Y) {
int scr_x, scr_y;
browser_window_get_scrollbar_pos(bw, true, &scr_x, &scr_y);
scr_x = x - scr_x - scrollbar_get_offset(bw->scroll_x);
scr_y = y - scr_y - scrollbar_get_offset(bw->scroll_y);
if ((scr_x > 0 && scr_x < browser_window_get_scrollbar_len(bw,
true) &&
scr_y > 0 && scr_y < SCROLLBAR_WIDTH &&
bw->drag_type == DRAGGING_NONE) ||
bw->drag_type == DRAGGING_SCR_X) {
if ((bw->drag.type == DRAGGING_SCR_X) ||
(scr_x > 0 &&
scr_x < browser_window_get_scrollbar_len(bw, true) &&
scr_y > 0 &&
scr_y < SCROLLBAR_WIDTH &&
bw->drag.type == DRAGGING_NONE)) {
/* Start a scrollbar drag, or continue existing drag */
status = scrollbar_mouse_status_to_message(
scrollbar_mouse_action(
@ -3008,8 +3012,9 @@ void browser_window_mouse_track(struct browser_window *bw,
scr_x, scr_y));
pointer = BROWSER_POINTER_DEFAULT;
if (status != NULL)
if (status != NULL) {
browser_window_set_status(bw, status);
}
browser_window_set_pointer(bw, pointer);
return;
@ -3023,11 +3028,12 @@ void browser_window_mouse_track(struct browser_window *bw,
scr_x = x - scr_x - scrollbar_get_offset(bw->scroll_x);
scr_y = y - scr_y - scrollbar_get_offset(bw->scroll_y);
if ((scr_y > 0 && scr_y < browser_window_get_scrollbar_len(bw,
false) &&
scr_x > 0 && scr_x < SCROLLBAR_WIDTH &&
bw->drag_type == DRAGGING_NONE) ||
bw->drag_type == DRAGGING_SCR_Y) {
if ((bw->drag.type == DRAGGING_SCR_Y) ||
(scr_y > 0 &&
scr_y < browser_window_get_scrollbar_len(bw, false) &&
scr_x > 0 &&
scr_x < SCROLLBAR_WIDTH &&
bw->drag.type == DRAGGING_NONE)) {
/* Start a scrollbar drag, or continue existing drag */
status = scrollbar_mouse_status_to_message(
scrollbar_mouse_action(
@ -3035,27 +3041,28 @@ void browser_window_mouse_track(struct browser_window *bw,
scr_x, scr_y));
pointer = BROWSER_POINTER_DEFAULT;
if (status != NULL)
if (status != NULL) {
browser_window_set_status(bw, status);
}
browser_window_set_pointer(bw, pointer);
return;
}
}
if (bw->drag_type == DRAGGING_FRAME) {
if (bw->drag.type == DRAGGING_FRAME) {
browser_window_resize_frame(bw, bw->x + x, bw->y + y);
} else if (bw->drag_type == DRAGGING_PAGE_SCROLL) {
} else if (bw->drag.type == DRAGGING_PAGE_SCROLL) {
/* mouse movement since drag started */
int scrollx = bw->drag_start_x - x;
int scrolly = bw->drag_start_y - y;
int scrollx = bw->drag.start_x - x;
int scrolly = bw->drag.start_y - y;
/* new scroll offsets */
scrollx += bw->drag_start_scroll_x;
scrolly += bw->drag_start_scroll_y;
scrollx += bw->drag.start_scroll_x;
scrolly += bw->drag.start_scroll_y;
bw->drag_start_scroll_x = scrollx;
bw->drag_start_scroll_y = scrolly;
bw->drag.start_scroll_x = scrollx;
bw->drag.start_scroll_y = scrolly;
browser_window_set_scroll(bw, scrollx, scrolly);
} else {
@ -3205,19 +3212,20 @@ void browser_window_page_drag_start(struct browser_window *bw, int x, int y)
browser_window_set_drag_type(bw, DRAGGING_PAGE_SCROLL, NULL);
bw->drag_start_x = x;
bw->drag_start_y = y;
bw->drag.start_x = x;
bw->drag.start_y = y;
if (bw->window != NULL) {
/* Front end window */
guit->window->get_scroll(bw->window, &bw->drag_start_scroll_x,
&bw->drag_start_scroll_y);
guit->window->get_scroll(bw->window,
&bw->drag.start_scroll_x,
&bw->drag.start_scroll_y);
guit->window->scroll_start(bw->window);
} else {
/* Core managed browser window */
bw->drag_start_scroll_x = scrollbar_get_offset(bw->scroll_x);
bw->drag_start_scroll_y = scrollbar_get_offset(bw->scroll_y);
bw->drag.start_scroll_x = scrollbar_get_offset(bw->scroll_x);
bw->drag.start_scroll_y = scrollbar_get_offset(bw->scroll_y);
}
}

39
desktop/browser_private.h
View File

@ -90,23 +90,32 @@ struct browser_window {
/** Fragment identifier for current_content. */
lwc_string *frag_id;
/** Current drag status. */
browser_drag_type drag_type;
/**
* Current drag status.
*
* These values are only vald whle type is not DRAGGING_NONE
*/
struct {
/** the type of drag in progress */
browser_drag_type type;
/** Current drag's browser window, when not in root bw. */
struct browser_window *drag_window;
/** Current drag's browser window, when not in root bw. */
struct browser_window *window;
/** Mouse position at start of current scroll drag. */
int drag_start_x;
int drag_start_y;
/** Scroll offsets at start of current scroll draw. */
int drag_start_scroll_x;
int drag_start_scroll_y;
/** Frame resize directions for current frame resize drag. */
unsigned int drag_resize_left : 1;
unsigned int drag_resize_right : 1;
unsigned int drag_resize_up : 1;
unsigned int drag_resize_down : 1;
/** Mouse position at start of current scroll drag. */
int start_x;
int start_y;
/** Scroll offsets at start of current scroll draw. */
int start_scroll_x;
int start_scroll_y;
/** Frame resize directions for current frame resize drag. */
unsigned int resize_left : 1;
unsigned int resize_right : 1;
unsigned int resize_up : 1;
unsigned int resize_down : 1;
} drag;
/** Current fetch is download */
bool download;

42
desktop/frames.c
View File

@ -675,25 +675,31 @@ void browser_window_resize_frame(struct browser_window *bw, int x, int y)
assert((col >= 0) && (row >= 0));
sibling = NULL;
if (bw->drag_resize_left)
if (bw->drag.resize_left) {
sibling = &parent->children[row * parent->cols + (col - 1)];
else if (bw->drag_resize_right)
} else if (bw->drag.resize_right) {
sibling = &parent->children[row * parent->cols + (col + 1)];
if (sibling)
}
if (sibling) {
change |= browser_window_resolve_frame_dimension(bw, sibling,
x, y, true, false);
}
sibling = NULL;
if (bw->drag_resize_up)
if (bw->drag.resize_up) {
sibling = &parent->children[(row - 1) * parent->cols + col];
else if (bw->drag_resize_down)
} else if (bw->drag.resize_down) {
sibling = &parent->children[(row + 1) * parent->cols + col];
if (sibling)
}
if (sibling) {
change |= browser_window_resolve_frame_dimension(bw, sibling,
x, y, false, true);
}
if (change)
if (change) {
browser_window_recalculate_frameset(parent);
}
}
@ -711,20 +717,22 @@ bool browser_window_resolve_frame_dimension(struct browser_window *bw,
/* extend/shrink the box to the pointer */
if (width) {
if (bw->drag_resize_left)
if (bw->drag.resize_left) {
bw_dimension = bw->x + bw->width - x;
else
} else {
bw_dimension = x - bw->x;
}
bw_pixels = bw->width;
sibling_pixels = sibling->width;
bw_d = &bw->frame_width;
sibling_d = &sibling->frame_width;
frame_size = bw->parent->width;
} else {
if (bw->drag_resize_up)
if (bw->drag.resize_up) {
bw_dimension = bw->y + bw->height - y;
else
} else {
bw_dimension = y - bw->y;
}
bw_pixels = bw->height;
sibling_pixels = sibling->height;
bw_d = &bw->frame_height;
@ -919,12 +927,12 @@ static bool browser_window_resize_frames(struct browser_window *bw,
* front end to clamp pointer range */
browser_window_set_drag_type(bw,
DRAGGING_FRAME, NULL);
bw->drag_start_x = x;
bw->drag_start_y = y;
bw->drag_resize_left = left;
bw->drag_resize_right = right;
bw->drag_resize_up = up;
bw->drag_resize_down = down;
bw->drag.start_x = x;
bw->drag.start_y = y;
bw->drag.resize_left = left;
bw->drag.resize_right = right;
bw->drag.resize_up = up;
bw->drag.resize_down = down;
}
return true;
}

3
include/netsurf/browser_window.h
View File

@ -43,6 +43,9 @@ struct rect;
struct redraw_context;
enum content_debug;
/**
* type of browser window drag in progess
*/
typedef enum {
DRAGGING_NONE,
DRAGGING_SELECTION,