diff options
Diffstat (limited to 'src/slide_sorter.c')
| -rw-r--r-- | src/slide_sorter.c | 566 |
1 files changed, 0 insertions, 566 deletions
diff --git a/src/slide_sorter.c b/src/slide_sorter.c deleted file mode 100644 index 50cea68..0000000 --- a/src/slide_sorter.c +++ /dev/null @@ -1,566 +0,0 @@ -/* - * slide_sorter.c - * - * Copyright © 2013-2014 Thomas White <taw@bitwiz.org.uk> - * - * This file is part of Colloquium. - * - * Colloquium is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - */ - - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <gtk/gtk.h> - -#include "presentation.h" -#include "render.h" -#include "slide_window.h" -#include "slideshow.h" - - -struct slide_sorter -{ - GtkWidget *window; - GtkWidget *da; - - int width; /* Number of slides across */ - int height; /* Number of slides vertically */ - struct presentation *p; - - int tw; - int th; - int bw; - - int dragging_cur_edit_slide; - int dragging_cur_proj_slide; - - int selection; - struct slide *selected_slide; - - int drop_here; - int dragging; - int dragging_in; - int drag_preview_pending; - int have_drag_data; - int drag_highlight; -}; - - -static gint close_slidesorter_sig(GtkWidget *w, struct presentation *p) -{ - p->slide_sorter = NULL; - return FALSE; -} - - -static void redraw_slidesorter(struct slide_sorter *n) -{ - gint w, h; - w = gtk_widget_get_allocated_width(GTK_WIDGET(n->da)); - h = gtk_widget_get_allocated_height(GTK_WIDGET(n->da)); - gtk_widget_queue_draw_area(n->da, 0, 0, w, h); -} - - -static gboolean draw_sig(GtkWidget *da, cairo_t *cr, struct slide_sorter *n) -{ - int width, height; - int i; - - width = gtk_widget_get_allocated_width(GTK_WIDGET(da)); - height = gtk_widget_get_allocated_height(GTK_WIDGET(da)); - - /* Overall background */ - cairo_rectangle(cr, 0.0, 0.0, width, height); - cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); - cairo_fill(cr); - - cairo_translate(cr, n->bw, n->bw); /* Border */ - - for ( i=0; i<n->p->num_slides; i++ ) { - - int x = i % n->width; - int y = i / n->width; - //struct slide *s = n->p->slides[i]; - - cairo_save(cr); - - cairo_translate(cr, x*(n->tw+2*n->bw), y*(n->th+2*n->bw)); - - if ( i == n->selection ) { - - cairo_save(cr); - cairo_rectangle(cr, 0.0, 0.0, n->tw+2*n->bw, - n->th+2*n->bw); - cairo_set_source_rgb(cr, 0.0, 0.0, 0.4); - cairo_fill(cr); - cairo_restore(cr); - - } - - cairo_translate(cr, n->bw, n->bw); /* Border */ - cairo_rectangle(cr, 0.0, 0.0, n->tw, n->th); - cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); - cairo_fill_preserve(cr); - /* FIXME */ - //cairo_set_source_surface(cr, s->rendered_thumb, - // 0.0, 0.0); - cairo_fill(cr); - - cairo_rectangle(cr, 0.5, 0.5, n->tw, n->th); - cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); - cairo_set_line_width(cr, 1.0); - cairo_stroke(cr); - - if ( n->dragging_in && (i == n->drop_here) ) { - cairo_rectangle(cr, -1.5*n->bw, 0.0, n->bw, n->th); - cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); - cairo_fill(cr); - } - - cairo_restore(cr); - - } - - return FALSE; -} - - -static void size_sig(GtkWidget *widget, GdkRectangle *size, - struct slide_sorter *n) -{ - int w, h; - - w = gtk_widget_get_allocated_width(n->da); - n->width = (w-2*n->bw) / (n->tw+2*n->bw); - if ( n->width < 1 ) n->width = 1; - - n->height = n->p->num_slides / n->width; - - if ( n->p->num_slides % n->width != 0 ) n->height++; - - h = n->height * (n->th+2*n->bw) + 2*n->bw; - - gtk_widget_set_size_request(n->da, n->tw+2*n->bw, h); -} - - -static gboolean button_press_sig(GtkWidget *da, GdkEventButton *event, - struct slide_sorter *n) -{ - int x, y; - - x = (event->x - n->bw) / (n->tw + 2*n->bw); - y = (event->y - n->bw) / (n->th + 2*n->bw); - - if ( (x < n->width) && (y < n->height) ) { - - n->selection = y*n->width + x; - - if ( n->selection >= n->p->num_slides ) { - n->selection = n->p->num_slides - 1; - } - - n->selected_slide = n->p->slides[n->selection]; - - redraw_slidesorter(n); - } - - return FALSE; -} - - -static gboolean motion_sig(GtkWidget *da, GdkEventMotion *event, - struct slide_sorter *n) -{ - if ( !n->dragging ) { - - GtkTargetList *list; - GtkTargetEntry targets[1]; - - targets[0].target = "application/vnd.colloquium-slide"; - targets[0].flags = 0; - targets[0].info = 1; - - /* If we are dragging the current editor or projector slide, - * we'd better remember to update when we're finished. */ -#if 0 /* FIXME! */ - if ( n->p->cur_edit_slide == n->selected_slide ) { - n->dragging_cur_edit_slide = 1; - } else { - n->dragging_cur_edit_slide = 0; - } - - if ( slideshow_slide(n->p->slideshow) == n->selected_slide ) { - n->dragging_cur_proj_slide = 1; - } else { - n->dragging_cur_proj_slide = 0; - } -#endif - list = gtk_target_list_new(targets, 1); - gtk_drag_begin(da, list, GDK_ACTION_COPY | GDK_ACTION_MOVE, - 1, (GdkEvent *)event); - gtk_target_list_unref(list); - - n->dragging = 1; - n->dragging_in = 0; - - } - - gdk_event_request_motions(event); - - return FALSE; -} - - -static gboolean button_release_sig(GtkWidget *da, GdkEventButton *event, - struct slide_sorter *n) -{ - return FALSE; -} - - -static gboolean dnd_motion(GtkWidget *widget, GdkDragContext *drag_context, - gint xc, gint yc, guint time, struct slide_sorter *n) -{ - GdkAtom target; - - /* If we haven't already requested the data, do so now */ - if ( !n->drag_preview_pending && !n->have_drag_data ) { - - target = gtk_drag_dest_find_target(widget, drag_context, NULL); - - if ( target != GDK_NONE ) { - - n->drag_preview_pending = 1; - /* Note: the dnd_get and dnd_receive signals occur - * before this call returns */ - gtk_drag_get_data(widget, drag_context, target, time); - - } else { - - n->drag_preview_pending = 0; - gdk_drag_status(drag_context, 0, time); - - } - - } - - if ( n->have_drag_data ) { - - int x, y; - int sw, sh; - - gdk_drag_status(drag_context, GDK_ACTION_MOVE, time); - /* Draw drag box */ - n->have_drag_data = 1; - - sw = n->tw + 2*n->bw; - sh = n->th + 2*n->bw; - - x = (xc - n->bw + sw/2) / sw; - y = (yc - n->bw) / sh;; - - if ( x >= n->width ) x = n->width-1; - if ( y >= n->height ) y = n->height-1; - - n->drop_here = y*n->width + x; - if ( n->drop_here > n->p->num_slides ) { - n->drop_here = n->p->num_slides; - } - - n->dragging = 1; /* Because this might be the first signal */ - n->dragging_in = 1; - n->dragging_cur_edit_slide = 0; - n->dragging_cur_proj_slide = 0; - - redraw_slidesorter(n); - - } - - return TRUE; -} - - - -static gboolean dnd_drop(GtkWidget *widget, GdkDragContext *drag_context, - gint x, gint y, guint time, struct slide_sorter *n) -{ - GdkAtom target; - - target = gtk_drag_dest_find_target(widget, drag_context, NULL); - - if ( target == GDK_NONE ) { - gtk_drag_finish(drag_context, FALSE, FALSE, time); - } else { - gtk_drag_get_data(widget, drag_context, target, time); - } - - return TRUE; -} - - -/* Normally, we don't need to explicitly render proj because the editor always - * gets there first. When re-arranging slides, this might not happen */ -static void fixup_proj(struct presentation *p, struct slide *s) -{ -// slideshow_rerender(p->slideshow); FIXME -} - - -static void dnd_receive(GtkWidget *widget, GdkDragContext *drag_context, - gint x, gint y, GtkSelectionData *seldata, - guint info, guint time, struct slide_sorter *n) -{ - if ( n->drag_preview_pending ) { - - /* In theory: do something with the data to generate a - * proper preview. */ - - n->have_drag_data = 1; - n->drag_preview_pending = 0; - gdk_drag_status(drag_context, GDK_ACTION_MOVE, time); - - } else { - - //const char *sc; - struct slide *s = NULL; - - //sc = (const char *)gtk_selection_data_get_data(seldata); - - n->dragging = 0; - gtk_drag_finish(drag_context, TRUE, TRUE, time); - - printf("Inserting at %i\n", n->drop_here); - - s = add_slide(n->p, n->drop_here); - - if ( s != NULL ) { - - /* FIXME: Do something */ - //int sn = slide_number(n->p, s); - - //s->rendered_thumb = render_slide(s, n->tw, - // n->p->slide_width, - // n->p->slide_height, - // n->p->is, - // ISZ_THUMBNAIL, sn); - - /* FIXME: Transfer the notes as well */ - - change_edit_slide(n->p->slidewindow, s); - - if ( n->dragging_cur_proj_slide ) { - fixup_proj(n->p, s); - // FIXME change_proj_slide(n->p->slideshow, s); - } - - redraw_slidesorter(n); - - } else { - - fprintf(stderr, "Failed to add slide\n"); - - } - - - } - -} - - -static void dnd_get(GtkWidget *widget, GdkDragContext *drag_context, - GtkSelectionData *seldata, guint info, guint time, - struct slide_sorter *n) -{ - GdkAtom target; - - target = gtk_drag_dest_find_target(widget, drag_context, NULL); - - if ( target != GDK_NONE ) { - - char *sc; - /* FIXME: packed sc */ - //sc = packed_sc(n->p->slides[n->selection]->top, n->p->ss); - sc = NULL; - gtk_selection_data_set(seldata, target, 8, (guchar *)sc, - strlen(sc)); - - } -} - - -static void dnd_leave(GtkWidget *widget, GdkDragContext *drag_context, - guint time, struct slide_sorter *n) -{ - n->have_drag_data = 0; - n->dragging_in = 0; -} - - -static void dnd_end(GtkWidget *widget, GdkDragContext *drag_context, - struct slide_sorter *n) -{ - n->dragging = 0; - n->dragging_in = 0; - n->have_drag_data = 0; - n->drag_preview_pending = 0; -} - - -static void dnd_delete(GtkWidget *widget, GdkDragContext *drag_context, - struct slide_sorter *n) -{ - //int same; - int sn; - - sn = slide_number(n->p, n->selected_slide); - - //same = (gdk_drag_context_get_source_window(drag_context) - // == gdk_drag_context_get_dest_window(drag_context)); - - if ( sn < n->drop_here ) n->drop_here--; - -#if 0 /* FIXME ! */ - if ( n->p->cur_edit_slide == n->selected_slide ) { - - if ( same ) { - - /* Do nothing - will switch in dnd_receive() */ - - } else { - - /* Switch to previous slide */ - int ct; - - if ( sn == 0 ) { - ct = 1; - } else { - ct = sn - 1; - } - - change_edit_slide(n->p->slidewindow, n->p->slides[ct]); - - } - - } - - if ( slideshow_slide(n->p->slideshow) == n->selected_slide ) { - - if ( same ) { - - /* Do nothing - will switch in dnd_receive() */ - - } else { - - /* Switch to previous slide */ - int ct; - - if ( sn == 0 ) { - ct = 1; - } else { - ct = sn - 1; - } - - change_proj_slide(n->p->slideshow, n->p->slides[ct]); - - } - - } -#endif - delete_slide(n->p, n->selected_slide); -} - - -void open_slidesorter(struct presentation *p) -{ - struct slide_sorter *n; - GtkWidget *sw; - GtkTargetEntry targets[1]; - - if ( p->slide_sorter != NULL ) return; /* Already open */ - - n = malloc(sizeof(struct slide_sorter)); - if ( n == NULL ) return; - p->slide_sorter = n; - - n->p = p; - n->width = 6; - n->bw = 5; - n->selection = 0; - n->tw = 320; - n->th = (p->slide_height/p->slide_width) * n->tw; - n->drag_preview_pending = 0; - n->have_drag_data = 0; - n->dragging = 0; - n->dragging_in = 0; - - n->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); - gtk_window_set_default_size(GTK_WINDOW(n->window), 500, 500); - - n->da = gtk_drawing_area_new(); - - sw = gtk_scrolled_window_new(NULL, NULL); - gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw), - GTK_POLICY_NEVER, - GTK_POLICY_ALWAYS); - gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(sw), n->da); - gtk_container_add(GTK_CONTAINER(n->window), sw); - - gtk_window_set_title(GTK_WINDOW(n->window), "Slide sorter"); - - g_signal_connect(G_OBJECT(n->da), "draw", G_CALLBACK(draw_sig), n); - g_signal_connect(G_OBJECT(n->window), - "size-allocate", G_CALLBACK(size_sig), n); - g_signal_connect(G_OBJECT(n->window), "destroy", - G_CALLBACK(close_slidesorter_sig), p); - - g_signal_connect(G_OBJECT(n->da), "button-press-event", - G_CALLBACK(button_press_sig), n); - g_signal_connect(G_OBJECT(n->da), "motion-notify-event", - G_CALLBACK(motion_sig), n); - g_signal_connect(G_OBJECT(n->da), "button-release-event", - G_CALLBACK(button_release_sig), n); - - /* Drag and drop */ - targets[0].target = "application/vnd.colloquium-slide"; - targets[0].flags = 0; - targets[0].info = 1; - gtk_drag_dest_set(n->da, 0, targets, 1, - GDK_ACTION_MOVE | GDK_ACTION_COPY); - g_signal_connect(n->da, "drag-data-received", - G_CALLBACK(dnd_receive), n); - g_signal_connect(n->da, "drag-data-delete", G_CALLBACK(dnd_delete), n); - g_signal_connect(n->da, "drag-data-get", G_CALLBACK(dnd_get), n); - g_signal_connect(n->da, "drag-motion", G_CALLBACK(dnd_motion), n); - g_signal_connect(n->da, "drag-drop", G_CALLBACK(dnd_drop), n); - g_signal_connect(n->da, "drag-leave", G_CALLBACK(dnd_leave), n); - g_signal_connect(n->da, "drag-end", G_CALLBACK(dnd_end), n); - - gtk_widget_set_can_focus(GTK_WIDGET(n->da), TRUE); - gtk_widget_add_events(GTK_WIDGET(n->da), - GDK_POINTER_MOTION_HINT_MASK - | GDK_BUTTON1_MOTION_MASK - | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK - | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK); - - gtk_widget_show_all(n->window); -} |