mirror of
https://github.com/MidnightCommander/mc
synced 2024-12-22 20:36:50 +03:00
Allow move and resize edit window using mouse.
Left click on the top line and drag to move. Left click on bottom-right corner and drag to resize. Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
Andrew Borodin
parent
2a62a7c792
commit
a2fdf8997f
@ -2264,6 +2264,7 @@ edit_init (WEdit * edit, int y, int x, int lines, int cols, const vfs_path_t * f
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}
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edit_purge_widget (edit);
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edit->drag_state = MCEDIT_DRAG_NORMAL;
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edit->widget.y = y;
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edit->widget.x = x;
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edit->widget.lines = lines;
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@ -795,12 +795,15 @@ render_edit_text (WEdit * edit, long start_row, long start_column, long end_row,
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static inline void
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edit_render (WEdit * edit, int page, int row_start, int col_start, int row_end, int col_end)
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{
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gboolean completely = (edit->force & REDRAW_COMPLETELY) != 0;
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if (page) /* if it was an expose event, 'page' would be set */
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edit->force |= REDRAW_PAGE | REDRAW_IN_BOUNDS;
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if (edit->force & REDRAW_COMPLETELY)
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buttonbar_redraw (find_buttonbar (edit->widget.owner));
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render_edit_text (edit, row_start, col_start, row_end, col_end);
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if (completely)
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buttonbar_redraw (find_buttonbar (edit->widget.owner));
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/*
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* edit->force != 0 means a key was pending and the redraw
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* was halted, so next time we must redraw everything in case stuff
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@ -71,7 +71,6 @@
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static cb_ret_t edit_callback (Widget * w, widget_msg_t msg, int parm);
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/* --------------------------------------------------------------------------------------------- */
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static char *
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@ -124,6 +123,8 @@ edit_event (Gpm_Event * event, void *data)
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if (!mouse_global_in_widget (event, w))
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return MOU_UNHANDLED;
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local = mouse_get_local (event, w);
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/* Unknown event type */
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if ((event->type & (GPM_DOWN | GPM_DRAG | GPM_UP)) == 0)
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return MOU_NORMAL;
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@ -131,88 +132,176 @@ edit_event (Gpm_Event * event, void *data)
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edit_update_curs_row (edit);
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edit_update_curs_col (edit);
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local = mouse_get_local (event, w);
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/* Double click */
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if ((local.type & (GPM_DOUBLE | GPM_UP)) == (GPM_UP | GPM_DOUBLE))
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if (!EDIT_WITH_FRAME || (local.buttons & GPM_B_LEFT) == 0 || (local.type & GPM_UP) != 0)
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edit->drag_state = MCEDIT_DRAG_NORMAL;
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else if (local.y == 1 && edit->drag_state != MCEDIT_DRAG_RESIZE)
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{
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edit_mark_current_word_cmd (edit);
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goto update;
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/* click on the top line (move) */
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/* start move; save x coordinate of mouse */
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if ((local.type & GPM_DOWN) != 0)
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edit->drag_state_start = local.x;
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/* moving */
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if ((local.type & (GPM_DOWN | GPM_DRAG)) != 0)
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edit->drag_state = MCEDIT_DRAG_MOVE;
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}
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else if (local.y == w->lines && local.x == w->cols)
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{
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/* click on bottom-right corner (resize) */
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if ((local.type & (GPM_DOWN | GPM_DRAG)) != 0)
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edit->drag_state = MCEDIT_DRAG_RESIZE;
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}
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if (edit->drag_state == MCEDIT_DRAG_NORMAL)
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{
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gboolean done = TRUE;
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/* Double click */
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if ((local.type & (GPM_DOUBLE | GPM_UP)) == (GPM_UP | GPM_DOUBLE))
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{
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edit_mark_current_word_cmd (edit);
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goto update;
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}
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#if 0
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/* Triple click */
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if ((local.type & (GPM_TRIPLE | GPM_UP)) == (GPM_UP | GPM_TRIPLE))
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{
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edit_mark_current_line_cmd (edit);
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goto update;
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}
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/* Triple click */
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if ((local.type & (GPM_TRIPLE | GPM_UP)) == (GPM_UP | GPM_TRIPLE))
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{
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edit_mark_current_line_cmd (edit);
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goto update;
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}
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#endif
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/* Wheel events */
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if ((local.buttons & GPM_B_UP) != 0 && (local.type & GPM_DOWN) != 0)
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{
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edit_move_up (edit, 2, 1);
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goto update;
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}
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if ((local.buttons & GPM_B_DOWN) != 0 && (local.type & GPM_DOWN) != 0)
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{
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edit_move_down (edit, 2, 1);
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goto update;
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}
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/* A lone up mustn't do anything */
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if (edit->mark2 != -1 && (local.type & (GPM_UP | GPM_DRAG)) != 0)
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return MOU_NORMAL;
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if ((local.type & (GPM_DOWN | GPM_UP)) != 0)
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edit_push_key_press (edit);
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if (EDIT_WITH_FRAME)
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{
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local.y--;
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local.x--;
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}
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if (!option_cursor_beyond_eol)
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edit->prev_col = local.x - edit->start_col - option_line_state_width - 1;
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else
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{
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long line_len = edit_move_forward3 (edit, edit_bol (edit, edit->curs1), 0,
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edit_eol (edit, edit->curs1));
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if (local.x > line_len)
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/* Wheel events */
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if ((local.buttons & GPM_B_UP) != 0 && (local.type & GPM_DOWN) != 0)
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{
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edit->over_col = local.x - line_len - edit->start_col - option_line_state_width - 1;
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edit->prev_col = line_len;
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edit_move_up (edit, 2, 1);
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goto update;
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}
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else
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if ((local.buttons & GPM_B_DOWN) != 0 && (local.type & GPM_DOWN) != 0)
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{
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edit->over_col = 0;
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edit->prev_col = local.x - option_line_state_width - edit->start_col - 1;
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edit_move_down (edit, 2, 1);
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goto update;
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}
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}
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if (local.y > (edit->curs_row + 1))
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edit_move_down (edit, local.y - (edit->curs_row + 1), 0);
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else if (local.y < (edit->curs_row + 1))
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edit_move_up (edit, (edit->curs_row + 1) - local.y, 0);
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/* continue handle current event */
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goto cont;
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/* handle DRAG mouse event, don't use standard way to continue
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* event handling outside of widget */
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do
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{
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int c;
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c = tty_get_event (event, FALSE, TRUE);
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if (c == EV_NONE || c != EV_MOUSE)
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break;
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local = mouse_get_local (event, w);
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cont:
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/* A lone up mustn't do anything */
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if (edit->mark2 != -1 && (local.type & (GPM_UP | GPM_DRAG)) != 0)
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return MOU_NORMAL;
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if ((local.type & (GPM_DOWN | GPM_UP)) != 0)
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edit_push_key_press (edit);
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local.x--;
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if (!option_cursor_beyond_eol)
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edit->prev_col = local.x - edit->start_col - option_line_state_width - 1;
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else
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{
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long line_len = edit_move_forward3 (edit, edit_bol (edit, edit->curs1), 0,
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edit_eol (edit, edit->curs1));
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if (local.x > line_len)
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{
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edit->over_col =
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local.x - line_len - edit->start_col - option_line_state_width - 1;
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edit->prev_col = line_len;
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}
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else
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{
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edit->over_col = 0;
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edit->prev_col = local.x - option_line_state_width - edit->start_col - 1;
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}
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}
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if (EDIT_WITH_FRAME)
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local.y--;
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if (local.y > (edit->curs_row + 1))
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edit_move_down (edit, local.y - (edit->curs_row + 1), 0);
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else if (local.y < (edit->curs_row + 1))
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edit_move_up (edit, (edit->curs_row + 1) - local.y, 0);
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else
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edit_move_to_prev_col (edit, edit_bol (edit, edit->curs1));
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if ((local.type & GPM_DOWN) != 0)
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{
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edit_mark_cmd (edit, 1); /* reset */
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edit->highlight = 0;
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}
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done = (local.type & GPM_DRAG) == 0;
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if (done)
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edit_mark_cmd (edit, 0);
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update:
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edit_find_bracket (edit);
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edit->force |= REDRAW_COMPLETELY;
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edit_update_curs_row (edit);
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edit_update_curs_col (edit);
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edit_update_screen (edit);
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}
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while (EDIT_WITH_FRAME && !done);
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}
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else
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edit_move_to_prev_col (edit, edit_bol (edit, edit->curs1));
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while (edit->drag_state != MCEDIT_DRAG_NORMAL)
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{
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int c;
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if ((local.type & GPM_DOWN) != 0)
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{
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edit_mark_cmd (edit, 1); /* reset */
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edit->highlight = 0;
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}
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c = tty_get_event (event, FALSE, TRUE);
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if ((local.type & GPM_DRAG) == 0)
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edit_mark_cmd (edit, 0);
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if (c == EV_NONE || c != EV_MOUSE)
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{
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/* redraw frame */
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edit->drag_state = MCEDIT_DRAG_NORMAL;
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edit->force |= REDRAW_COMPLETELY;
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edit_update_screen (edit);
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}
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else
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{
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Dlg_head *h = w->owner;
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update:
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edit_find_bracket (edit);
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edit->force |= REDRAW_COMPLETELY;
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edit_update_curs_row (edit);
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edit_update_curs_col (edit);
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edit_update_screen (edit);
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if (edit->drag_state == MCEDIT_DRAG_MOVE)
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{
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int y = event->y - 1;
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int x = event->x - 1;
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y = max (y, h->y + 1); /* status line */
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y = min (y, h->y + h->lines - 2); /* buttonbar */
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x = max (x, h->x);
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x = min (x, h->x + h->cols - 1);
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/* don't use widget_set_size() here to avoid double draw */
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w->y = y;
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w->x = x - edit->drag_state_start;
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edit->force |= REDRAW_PAGE;
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}
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else if (edit->drag_state == MCEDIT_DRAG_RESIZE)
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{
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event->y = min (event->y, h->y + h->lines - 1); /* buttonbar */
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event->x = min (event->x, h->x + h->cols);
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local = mouse_get_local (event, w);
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/* don't use widget_set_size() here to avoid double draw */
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w->lines = max (2 + 2, local.y);
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w->cols = max (2 + LINE_STATE_WIDTH, local.x);
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edit->force |= REDRAW_COMPLETELY;
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}
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dlg_redraw (h);
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}
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}
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return MOU_NORMAL;
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}
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@ -282,7 +371,6 @@ edit_dialog_callback (Dlg_head * h, Widget * sender, dlg_msg_t msg, int parm, vo
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widget_set_size (&buttonbar->widget, h->lines - 1, h->x, 1, h->cols);
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widget_set_size (&menubar->widget, h->y, h->x, 1, h->cols);
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menubar_arrange (menubar);
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widget_set_size (&edit->widget, h->y + 1, h->x, h->lines - 2, h->cols);
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return MSG_HANDLED;
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case DLG_ACTION:
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@ -444,9 +532,12 @@ edit_update_screen (WEdit * e)
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edit_status (e);
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else
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{
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/* draw a frame around edit area */
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tty_setcolor (EDITOR_NORMAL_COLOR);
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tty_draw_box (e->widget.y, e->widget.x, e->widget.lines, e->widget.cols, TRUE);
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if ((e->force & REDRAW_COMPLETELY) != 0)
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{
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/* draw a frame around edit area */
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tty_setcolor (EDITOR_NORMAL_COLOR);
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tty_draw_box (e->widget.y, e->widget.x, e->widget.lines, e->widget.cols, TRUE);
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}
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edit_info_status (e);
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}
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@ -45,9 +45,24 @@ struct syntax_rule
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unsigned char border;
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};
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/*
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* State of WEdit window
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* MCEDIT_DRAG_NORMAL - window is in normal mode
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* MCEDIT_DRAG_MOVE - window is being moved
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* MCEDIT_DRAG_RESIZE - window is being resized
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*/
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typedef enum
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{
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MCEDIT_DRAG_NORMAL = 0,
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MCEDIT_DRAG_MOVE,
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MCEDIT_DRAG_RESIZE
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} mcedit_drag_state_t;
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struct WEdit
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{
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Widget widget;
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mcedit_drag_state_t drag_state;
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int drag_state_start; /* save cursor position before window moving */
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vfs_path_t *filename_vpath; /* Name of the file */
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vfs_path_t *dir_vpath; /* NULL if filename is absolute */
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